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Stockholders' Equity - Common Share Repurchases, Issuances and Dividends Paid (Detail) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Average purchase price per share | $ 12.56 | $ 15.41 | $ 13.22 | $ 16.14
Remaining common stock repurchase authority | $ 52 | $ 209 | $ 52 | $ 209
Shares repurchased related to employee stock-based compensation plans | 0 | 0 | 400,000 | 500,000
Average purchase price per share | $ 0 | $ 0 | $ 13.74 | $ 16.04
Common shares issued | 0 | 100,000 | 1,300,000 | 1,400,000
Dividends paid | $ 16 | $ 17 | $ 32 | $ 35
Dividends per share | $ 0.16 | $ 0.16 | $ 0.32 | $ 0.32
Common Stock Shares Outstanding [Member] |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Common stock repurchased, shares | 1,900,000 | 2,500,000 | 4,500,000 | 5,000,000
Common stock repurchased, value | $ 24 | $ 38 | $ 59 | $ 81
Shares repurchased related to employee stock-based compensation plans | 7,543 | 25,421 | 418,655 | 469,391
Common shares issued | 14,995 | 76,826 | 1,287,528 | 1,393,083

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