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v3.20.1

Condensed Consolidated Statements of Stockholders' Equity Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions | Total | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2018 |  | $ 16 | $ (1,717) | $ 17,346 | $ (6,953) | $ 33
Beginning Balance (Shares) at Dec. 31, 2018 |  | 1,632,148,030 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) | $ 424 |  |  |  | 424 |
Total other comprehensive income (loss) | $ 54 |  |  |  |  | 54
Impact of stock-based compensation plans, net of tax (Shares) |  | 6,001,343 |  |  |  |
Impact of stock-based compensation plans, net of tax |  |  |  | 28 |  |
Ending Balance at Mar. 31, 2019 |  | $ 16 | (1,717) | 17,374 | (6,528) | 87
Ending Balance (Shares) at Mar. 31, 2019 |  | 1,638,149,373 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) |  |  |  |  | 154 |
Total other comprehensive income (loss) |  |  |  |  |  | (9)
Impact of stock-based compensation plans, net of tax (Shares) |  | 949,557 |  |  |  |
Impact of stock-based compensation plans, net of tax |  |  |  | 48 |  |
Ending Balance at Jun. 30, 2019 |  | $ 16 | (1,717) | 17,422 | (6,375) | 78
Ending Balance (Shares) at Jun. 30, 2019 |  | 1,639,098,930 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) |  |  |  |  | 126 |
Total other comprehensive income (loss) |  |  |  |  |  | 60
Impact of stock-based compensation plans, net of tax (Shares) |  | 2,243,579 |  |  |  |
Impact of stock-based compensation plans, net of tax |  |  |  | 89 |  |
Ending Balance at Sep. 30, 2019 |  | $ 16 | (1,717) | 17,510 | (6,249) | 138
Ending Balance (Shares) at Sep. 30, 2019 | 1,641,342,509 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) |  |  |  |  | 3,996 |
Total other comprehensive income (loss) |  |  |  |  |  | 132
Impact of stock-based compensation plans, net of tax (Shares) |  | 1,146,402 |  |  |  |
Impact of stock-based compensation plans, net of tax |  |  |  | 50 |  |
Ending Balance at Dec. 31, 2019 | $ 13,877 | $ 16 | (1,717) | 17,561 | (2,253) | 270
Ending Balance (Shares) at Dec. 31, 2019 | 1,642,488,911 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | Adjustments for New Accounting Pronouncement [Member] |  |  |  |  | (10) |
Net income (loss) | $ 11 |  |  |  | 11 |
Total other comprehensive income (loss) | (101) |  |  |  |  | (101)
Impact of stock-based compensation plans, net of tax (Shares) |  | 4,388,331 |  |  |  |
Impact of stock-based compensation plans, net of tax |  |  |  | 28 |  |
Ending Balance at Mar. 31, 2020 | $ 13,804 | $ 16 | $ (1,717) | $ 17,589 | $ (2,252) | $ 168
Ending Balance (Shares) at Mar. 31, 2020 | 1,646,877,242 |  |  |  |  |

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