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v3.21.2

Reclassifications Out of Accumulated Other Comprehensive Loss - Reclassifications of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Income tax (expense) benefit |  | $ 50 | $ 38 | $ 161 | $ 88
Net income |  | 149 | 116 | 446 | 321
Interest expense |  | $ 97 | $ 136 | 302 | $ 490
Reclassifications, net of tax | [1] |  |  | (18) |
Past service liability |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassifications, before tax | [1],[2] |  |  |  |
Actuarial losses |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassifications, before tax | [1],[2] |  |  | (5) |
Amortization of defined benefit pension |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassifications, before tax | [1] |  |  | (5) |
Tax benefit | [1] |  |  | 1 |
Reclassifications, net of tax | [1] |  |  | (4) |
Reclassification out of Accumulated Other Comprehensive Income (loss) | Unrealized gains (losses) on available-for-sale securities |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Net gain (losses) on securities | [1] |  |  |  |
Income tax (expense) benefit | [1] |  |  |  |
Net income | [1] |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income (loss) | Unrealized loss on cash flow hedges |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Income tax (expense) benefit |  |  |  | 4 |
Net income | [1] |  |  | (14) |
Interest expense | [1] |  |  | $ (18) |
[1] | Amounts in parentheses indicate expense items.
[2] | See Note 8, “Pension and Other Post-Retirement Benefits,” for additional information.

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