Statements of Unaudited Condensed Consolidated Changes in Equity Statement - USD ($) $ in Millions |
Total |
Common Stock |
CapitalÌýin Excess of ParÌýValue of Shares |
Retained Earnings (Deficit) |
Common Shares in Treasury |
AOCI |
Non-controlling Interests |
Balance, beginning of period (in shares) at Dec. 31, 2020 |
Ìý
|
478,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2020 |
$ 2,341
|
$ 63
|
$ 5,431
|
$ (2,989)
|
$ (354)
|
$ (133)
|
$ 323
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
70
|
Ìý
|
Ìý
|
41
|
Ìý
|
13
|
16
|
Issuance of common stock (in shares) |
Ìý
|
20,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Issuance of common stock |
322
|
Ìý
|
78
|
Ìý
|
244
|
Ìý
|
Ìý
|
Stock and other incentive plans (in shares) |
Ìý
|
1,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
APIC, Share-based Payment Arrangement, Increase for Cost Recognition |
Ìý
|
Ìý
|
(22)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans |
(5)
|
Ìý
|
Ìý
|
Ìý
|
17
|
Ìý
|
Ìý
|
Acquisition of ArcelorMittal USA - Measurement period adjustments |
(1)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1)
|
Net distributions to noncontrolling interests |
(8)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(8)
|
Balance, end of period (in shares) at Mar. 31, 2021 |
Ìý
|
499,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Mar. 31, 2021 |
2,719
|
$ 63
|
5,487
|
(2,948)
|
(93)
|
(120)
|
330
|
Balance, beginning of period (in shares) at Dec. 31, 2020 |
Ìý
|
478,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2020 |
2,341
|
$ 63
|
5,431
|
(2,989)
|
(354)
|
(133)
|
323
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
2,290
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Sep. 30, 2021 |
Ìý
|
500,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Sep. 30, 2021 |
4,290
|
$ 63
|
4,887
|
(894)
|
(83)
|
23
|
294
|
Balance, beginning of period (in shares) at Mar. 31, 2021 |
Ìý
|
499,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Mar. 31, 2021 |
2,719
|
$ 63
|
5,487
|
(2,948)
|
(93)
|
(120)
|
330
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
849
|
Ìý
|
Ìý
|
780
|
Ìý
|
54
|
15
|
Stock and other incentive plans (in shares) |
Ìý
|
1,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
APIC, Share-based Payment Arrangement, Increase for Cost Recognition |
Ìý
|
Ìý
|
4
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans |
10
|
Ìý
|
Ìý
|
Ìý
|
6
|
Ìý
|
Ìý
|
Acquisition of ArcelorMittal USA - Measurement period adjustments |
(13)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(13)
|
Net distributions to noncontrolling interests |
(24)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(24)
|
Balance, end of period (in shares) at Jun. 30, 2021 |
Ìý
|
500,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Jun. 30, 2021 |
3,541
|
$ 63
|
5,491
|
(2,168)
|
(87)
|
(66)
|
308
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
1,371
|
Ìý
|
Ìý
|
1,274
|
Ìý
|
89
|
8
|
Redemption of convertible debt, adjustments |
(4)
|
Ìý
|
(4)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans (in shares) |
Ìý
|
0
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
APIC, Share-based Payment Arrangement, Increase for Cost Recognition |
Ìý
|
Ìý
|
5
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans |
9
|
Ìý
|
Ìý
|
Ìý
|
4
|
Ìý
|
Ìý
|
Preferred Stock Redemption Premium |
(605)
|
Ìý
|
(605)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Net distributions to noncontrolling interests |
(22)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(22)
|
Balance, end of period (in shares) at Sep. 30, 2021 |
Ìý
|
500,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Sep. 30, 2021 |
$ 4,290
|
$ 63
|
4,887
|
(894)
|
(83)
|
23
|
294
|
Balance, beginning of period (in shares) at Dec. 31, 2021 |
500,158,955
|
500,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2021 |
$ 5,774
|
$ 63
|
4,892
|
(1)
|
(82)
|
618
|
284
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
911
|
Ìý
|
Ìý
|
801
|
Ìý
|
97
|
13
|
Redemption of convertible debt (shares) |
Ìý
|
24,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Redemption of convertible debt, value |
Ìý
|
$ 3
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Redemption of convertible debt, adjustments |
Ìý
|
Ìý
|
(28)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Redemption of convertible debt |
(25)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans (in shares) |
Ìý
|
2,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
APIC, Share-based Payment Arrangement, Increase for Cost Recognition |
Ìý
|
Ìý
|
(16)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans |
(5)
|
Ìý
|
Ìý
|
Ìý
|
11
|
Ìý
|
Ìý
|
Common stock repurchases (shares) |
Ìý
|
(1,000,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common stock repurchases |
(19)
|
Ìý
|
Ìý
|
Ìý
|
(19)
|
Ìý
|
Ìý
|
Net distributions to noncontrolling interests |
(28)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(28)
|
Balance, end of period (in shares) at Mar. 31, 2022 |
Ìý
|
525,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Mar. 31, 2022 |
$ 6,608
|
$ 66
|
4,848
|
800
|
(90)
|
715
|
269
|
Balance, beginning of period (in shares) at Dec. 31, 2021 |
500,158,955
|
500,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2021 |
$ 5,774
|
$ 63
|
4,892
|
(1)
|
(82)
|
618
|
284
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
$ 1,772
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common stock repurchases (shares) |
Ìý
|
(10,500,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common stock repurchases |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(210)
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Sep. 30, 2022 |
515,297,720
|
515,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Sep. 30, 2022 |
$ 7,268
|
$ 66
|
4,864
|
1,548
|
(280)
|
810
|
260
|
Balance, beginning of period (in shares) at Mar. 31, 2022 |
Ìý
|
525,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Mar. 31, 2022 |
6,608
|
$ 66
|
4,848
|
800
|
(90)
|
715
|
269
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
544
|
Ìý
|
Ìý
|
596
|
Ìý
|
(57)
|
5
|
Stock and other incentive plans (in shares) |
Ìý
|
0
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
APIC, Share-based Payment Arrangement, Increase for Cost Recognition |
Ìý
|
Ìý
|
7
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans |
8
|
Ìý
|
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Common stock repurchases (shares) |
Ìý
|
(8,000,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common stock repurchases |
(157)
|
Ìý
|
Ìý
|
Ìý
|
(157)
|
Ìý
|
Ìý
|
Net distributions to noncontrolling interests |
(9)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(9)
|
Balance, end of period (in shares) at Jun. 30, 2022 |
Ìý
|
517,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Jun. 30, 2022 |
6,994
|
$ 66
|
4,855
|
1,396
|
(246)
|
658
|
265
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive income |
317
|
Ìý
|
Ìý
|
152
|
Ìý
|
152
|
13
|
Stock and other incentive plans (in shares) |
Ìý
|
0
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
APIC, Share-based Payment Arrangement, Increase for Cost Recognition |
Ìý
|
Ìý
|
9
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock and other incentive plans |
9
|
Ìý
|
Ìý
|
Ìý
|
0
|
Ìý
|
Ìý
|
Common stock repurchases (shares) |
Ìý
|
(2,000,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common stock repurchases |
(34)
|
Ìý
|
Ìý
|
Ìý
|
(34)
|
Ìý
|
Ìý
|
Net distributions to noncontrolling interests |
$ (18)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(18)
|
Balance, end of period (in shares) at Sep. 30, 2022 |
515,297,720
|
515,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Sep. 30, 2022 |
$ 7,268
|
$ 66
|
$ 4,864
|
$ 1,548
|
$ (280)
|
$ 810
|
$ 260
|