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Stockholders' Equity - Common Share Repurchases, Issuances and Dividends Paid (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |
Average purchase price per share | $ 17.21 | $ 16.13 | $ 17.46
Remaining common stock repurchase authority | $ 290 | $ 600 | $ 1,000
Shares repurchased related to employee stock-based compensation plans | 1,300,000 | 1,200,000 | 3,000,000.0
Average purchase price per share | $ 18.44 | $ 17.84 | $ 13.65
Common shares issued | 2,600,000 | 2,500,000 | 4,900,000
Dividends paid | $ 78 | $ 91 | $ 107
Dividends per share | $ 0.64 | $ 0.64 | $ 0.64
Common Stock Shares Outstanding [Member] |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Common stock repurchased, shares | 18,000,000 | 24,800,000 | 34,400,000
Common stock repurchased, value | $ 310 | $ 400 | $ 600
Shares repurchased related to employee stock-based compensation plans | 1,315,644 | 1,180,530 | 3,039,019
Common shares issued |  | 2,458,206 | 4,850,409

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