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Capital Stock - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2023 | Jan. 31, 2023
Capital Stock [Line Items] |  |  |  |  |  |  |
Authorized amount |  |  |  |  |  |  | $ 300
Stock repurchased during period (in shares) | 1,800 |  |  |  |  |  |
Stock repurchased during period, average price per share (in usd per share) | $ 28.26 |  |  |  |  |  |
Common stock, dividends, per share, declared (in usd per share) | $ 0.245 | $ 0.225 | $ 0.225 | $ 0.225 | $ 0.225 | $ 0.900 |
Total of 3Q19, 1Q20, and 3Q21 Repurchase Programs |  |  |  |  |  |  |
Capital Stock [Line Items] |  |  |  |  |  |  |
Stock repurchased during period (in shares) | 1,770 |  |  |  |  | 5,264 |
Remaining authorized repurchase amount | $ 117 |  |  |  |  |  |

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