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v3.19.3.a.u2

Consolidated Statements of Comprehensive Income - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 5,017 | $ 5,580 | $ 3,682
Net actuarial losses of defined benefit plans: |  |  |
Adjustments, net of tax effect of ($37), $35 and ($26) | 88 | (98) | 92
Recognized within net income, net of tax effect of ($13), ($15) and ($27) | 38 | 50 | 56
Prior service credit of defined benefit plans: |  |  |
Adjustments, net of tax effect of $0, $1 and $1 | 0 | (6) | (2)
Recognized within net income, net of tax effect of $0, $1 and $1 | 0 | (3) | (5)
Derivative instruments: |  |  |
Change in fair value, net of tax effect of $0, $1 and $0 - post adoption | 0 |  |
Change in fair value, net of tax effect of $0, $1 and $0 - pre adoption |  | (2) | 0
Recognized within net income, net of tax effect of $0, $0 and $0 - post adoption | 0 |  |
Recognized within net income, net of tax effect of $0, $0 and $0 - pre adoption |  | 0 | 1
Other comprehensive income (loss), net of taxes | 126 | (59) | 142
Total comprehensive income | $ 5,143 | $ 5,521 | $ 3,824

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