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v3.23.3

ACCUMULATED OTHER COMPREHENSIVE INCOME - Changes in AOCI (loss) related to shareholders' equity (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Beginning balance |  |  | $ 1,830 |
Ending balance | $ 1,647 | $ 810 | 1,647 | $ 810
Foreign Currency Translation |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (1) | (1) | (1) | 1
Other comprehensive income (loss) before reclassifications, net of tax | 0 | (2) | 0 | (4)
Ending balance | (1) | (3) | (1) | (3)
Derivative Instruments |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (150) | 109 | (16) | 68
Other comprehensive income (loss) before reclassifications | (21) | 154 | (229) | 292
Income tax | 5 | (38) | 56 | (69)
Other comprehensive income (loss) before reclassifications, net of tax | (16) | 116 | (173) | 223
(Gains) losses reclassified from AOCI to net income | 63 | (74) | 93 | (158)
Income tax expense (benefit) | (16) | 19 | (23) | 37
Net losses (gains) reclassified from AOCI to net income | 47 | (55) | 70 | (121)
Ending balance | (119) | 170 | (119) | 170
Pension and OPEB |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Beginning balance | 1,794 | 550 | 1,847 | 549
Other comprehensive income (loss) before reclassifications | 0 | 119 | 0 | 119
Income tax | 0 | (28) | 0 | (28)
Other comprehensive income (loss) before reclassifications, net of tax | 0 | 91 | 0 | 91
(Gains) losses reclassified from AOCI to net income | (35) | 3 | (106) | 4
Income tax expense (benefit) | 8 | (1) | 26 | (1)
Net losses (gains) reclassified from AOCI to net income | (27) | 2 | (80) | 3
Ending balance | $ 1,767 | $ 643 | $ 1,767 | $ 643

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