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Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Nov. 01, 2017 | Oct. 31, 2017 | Aug. 31, 2015 | Dec. 31, 2012
Equity [Abstract] |  |  |  |  |  |  |
Dividends declared per share (in dollars per share) | $ 3.12 | $ 3.04 | $ 2.96 |  |  |  |
Dividends payable | $ 201 | $ 82 | $ 80 |  |  |  |
Dividend per share declared (in dollars per share) | $ 0.79 | $ 0.77 | $ 0.75 |  |  |  |
Shares authorized under repurchase program |  |  |  |  |  |  | $ 250
Additional authorized amount |  |  |  | $ 250 |  | $ 250 |
Remaining authorized amended repurchase amount |  |  |  |  | $ 56 |  |
Remaining authorized repurchase amount | $ 280 |  |  | $ 300 |  |  |
Remaining number of shares authorized to be repurchase | 1,856,397 |  |  |  |  |  |
Stock repurchased during period as percentage of shares outstanding | 0.80% |  |  |  |  |  |

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