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v3.25.2

Debt - Additional Information (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | May 31, 2025 USD ($) | Dec. 31, 2025 | Jun. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2025 USD ($) | Apr. 14, 2025 USD ($) | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of long-term debt |  |  |  |  | $ 1,235 | $ 0 |  |  |
Senior notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Senior notes subject to interest rate adjustment | $ 1,080 |  |  | $ 1,080 | 1,080 |  |  | $ 2,310 |
Expected interest expense increase, annualized amount |  |  |  | 5 |  |  |  |  |
Senior notes | Forecast |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate adjustment |  |  | 0.0050 |  |  |  |  |  |
Interest expense increase |  |  |  |  |  |  | $ 1 |  |
Senior notes | Forecast | Moody's, B1 Rating |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate adjustment |  |  | 0.0025 |  |  |  |  |  |
Senior notes | Forecast | Standard & Poor's, B+ Rating |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate adjustment |  |  | 0.0025 |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | 1,000 |  |  | 1,000 | 1,000 |  |  |  |
Current borrowing capacity | 989 |  |  | 989 | 989 |  |  |  |
Outstanding borrowings | 495 |  |  | 495 | 495 |  |  |  |
Remaining borrowing capacity | 459 |  |  | 459 | 459 |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | 150 |  |  | 150 | 150 |  |  |  |
Outstanding borrowings | $ 35 |  |  | $ 35 | $ 35 |  |  |  |
8.500% senior notes due 2028 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 1,250 |  |  |  |  |  |  |
Stated interest rate percentage | 8.50% | 8.50% |  | 8.50% | 8.50% |  |  |  |
Proceeds from issuance of long-term debt |  | $ 1,230 |  |  |  |  |  |  |
4.200% senior notes due 2026 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Stated interest rate percentage |  |  |  |  |  |  |  |  | 4.20%
Redemption price percentage | 100.757% |  |  |  |  |  |  |  |
Consideration on debt redeemed | $ 1,250 |  |  |  |  |  |  |  |
Loss on debt extinguishment | $ 13 |  |  |  |  |  |  |  |
6.375% senior notes due 2027 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Stated interest rate percentage | 6.375% |  |  | 6.375% | 6.375% |  |  |  |
6.625% senior notes due 2032 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Stated interest rate percentage | 6.625% |  |  | 6.625% | 6.625% |  |  |  |

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