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Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in AOCI (loss) related to shareholders' equity (Details)

v3.21.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in AOCI (loss) related to shareholders' equity (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance $ (66) $ (120) $ (133) $ (306) $ (317) $ (319)
Other comprehensive income (loss) before reclassifications 93 51 7 14 2 (6)
Net (income) loss reclassified from AOCI (4) 3 6 10 9 8
Ending balance 23 (66) (120) (282) (306) (317)
Postretirement Benefit Liability, net of tax Ìý Ìý Ìý Ìý Ìý Ìý
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance (121) (128) (135) (304) (310) (316)
Other comprehensive income (loss) before reclassifications 0 0 0 0 0 0
Net (income) loss reclassified from AOCI 6 7 7 6 6 6
Ending balance (115) (121) (128) (298) (304) (310)
Foreign Currency Translation Ìý Ìý Ìý Ìý Ìý Ìý
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance 2 2 3 0 (1) 0
Other comprehensive income (loss) before reclassifications 0 0 (1) 2 1 (1)
Net (income) loss reclassified from AOCI 0 0 0 0 0 0
Ending balance 2 2 2 2 0 (1)
Derivative Financial Instruments, net of tax Ìý Ìý Ìý Ìý Ìý Ìý
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance 53 6 (1) (2) (6) (3)
Other comprehensive income (loss) before reclassifications 93 51 8 12 1 (5)
Net (income) loss reclassified from AOCI (10) (4) (1) 4 3 2
Ending balance $ 136 $ 53 $ 6 $ 14 $ (2) $ (6)