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Stockholders' Equity - Additional Information (Detail) shares in Millions |  | 1 Months Ended | 12 Months Ended | 36 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 10, 2020 shares | Jun. 30, 2019 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 USD ($) shares | Sep. 30, 2019 shares
Equity [Abstract] |  |  |  |  |  |  |
Stock repurchase program, authorized amount (up to) |  |  | $ 4,100,000,000 |  |  | $ 4,100,000,000 |
Net activity related to restricted stock units (in shares) | shares |  |  |  |  |  | 21.5 |
Share repurchased during period |  |  | 1,443,000,000 | $ 113,000,000 | $ 62,000,000 | $ 1,600,000,000 |
Remaining authorized repurchase amount |  |  | 959,000,000 |  |  | $ 959,000,000 |
Option premiums paid |  | $ 16,000,000 |  |  |  |  |
Outstanding options settled (in shares) | shares |  |  |  |  |  |  | 0.6
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | $ (32,000,000) | $ (12,000,000) | $ (3,000,000) |  |
Board of Directors Chairman |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |
Shares issued (in shares) | shares | 15.0 |  |  |  |  |  |

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