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Capital Stock - Additional Information (Details) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |
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Sep. 30, 2025 USD ($) RepurchaseAuthorization Anniversary $ / shares shares | Jun. 30, 2025 $ / shares | Mar. 31, 2025 $ / shares | Dec. 31, 2024 $ / shares | Sep. 30, 2024 $ / shares shares | Jun. 30, 2024 $ / shares | Mar. 31, 2024 $ / shares | Jun. 30, 2025 $ / shares shares | Sep. 30, 2025 USD ($) RepurchaseAuthorization Anniversary shares | Sep. 30, 2024 shares | Dec. 31, 2024 $ / shares | Dec. 31, 2022 | May 31, 2025 USD ($)
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized amount | $ | $ 900 |  |  |  |  |  |  |  | $ 900 |  |  |  | $ 750
Stock repurchased during period (in shares) | shares | 0 |  |  |  | 1,457 |  |  | 13,400 | 13,417 | 4,801 |  |  |
Authorization expiration date |  |  |  |  |  |  |  |  |  |  |  |  | 2027-12
Stock repurchased during period, average price per share (in usd per share) | $ / shares |  |  |  |  |  |  |  | $ 32.06 |  |  |  |  |
Number of outstanding share repurchase authorizations | RepurchaseAuthorization | 2 |  |  |  |  |  |  |  | 2 |  |  |  |
Remaining authorized repurchase amount | $ | $ 113 |  |  |  |  |  |  |  | $ 113 |  |  |  |
Share repurchase authorization, expiration month and year | 2026-06 |  |  |  |  |  |  |  | 2026-06 |  |  |  |
Nondeductible percentage excise tax on net value of stock repurchases |  |  |  |  |  |  |  |  |  |  |  | 1.00% |
Common stock, dividends, per share, declared (in usd per share) | $ / shares | $ 0.255 | $ 0.255 | $ 0.255 | $ 0.245 | $ 0.245 | $ 0.245 | $ 0.245 |  |  |  | $ 0.98 |  |
Performance Based RSUs Equity Settled | 2025 Award Year |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Performance period, performance-based RSUs |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Performance Based RSUs Equity Settled | Maximum | 2025 Award Year |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payout percentage of target award |  |  |  |  |  |  |  |  | 200.00% |  |  |  |
Performance Based RSUs Equity Settled | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payout percentage of target award |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
Performance Based RSUs Equity Settled | Minimum | 2025 Award Year |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cliff-vesting period |  |  |  |  |  |  |  |  | 1 year |  |  |  |
Timed-Vested RSUs Equity Settled | 2025 Award Year |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of anniversaries of the grant date | Anniversary | 3 |  |  |  |  |  |  |  | 3 |  |  |  |
Timed-Vested RSUs Equity Settled | Minimum | 2025 Award Year |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cliff-vesting period |  |  |  |  |  |  |  |  | 1 year |  |  |  |

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