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v3.25.3

Debt and Credit Agreements - Narrative (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2025 USD ($) swap | Jun. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) swap | Sep. 30, 2024 USD ($) | Dec. 31, 2023 swap | Dec. 31, 2022 swap | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
Line of Credit Facility |  |  |  |  |  |  |  |
Other operating activities |  |  | $ (58,000,000) | $ (43,000,000) |  |  |  |
Commercial Paper |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity of credit facility |  |  | 1,000,000,000.0 |  |  |  |  |
Borrowings outstanding |  |  | 0 |  |  |  | $ 75,000,000 |
Two Separate Fixed-to-Floating Interest Rate Swaps Due 2055 | Fair Value Hedging |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Derivative, number of fair value hedges | swap | 2 |  |  |  |  |  |  |
Derivative, term of contract (in years) | 10 years |  |  |  |  |  |  |
Two Separate Fixed-to-Floating Interest Rate Swaps Due 2055 | Fair Value Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Interest rate fair value hedge asset at fair value |  |  | $ 11,000,000 |  |  |  |  |
Seven Fixed-to-Floating Interest Rate Swaps | Fair Value Hedging |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Derivative, number of fair value hedges | swap |  |  | 7 |  |  |  |  |
Derivative, term of contract (in years) |  |  | 10 years |  |  |  |  |
Two Separate Fixed-to-Floating Interest Rate Swaps | Fair Value Hedging |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Derivative, number of fair value hedges | swap |  |  |  |  | 2 |  |  |
Five Separate Fixed-to-Floating Interest Rate Swaps | Fair Value Hedging |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Derivative, number of fair value hedges | swap |  |  |  |  |  | 5 |  |
Five Separate Fixed-to-Floating Interest Rate Swaps | Fair Value Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Fair value hedge derivative instrument liabilities at fair value |  |  | $ 93,000,000 |  |  |  |  | $ 123,000,000
2023 Fixed-to-Floating Interest Rate Swaps | Fair Value Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Interest rate fair value hedge asset at fair value |  |  | 16,000,000 |  |  |  |  | 7,000,000
Interest Rate Swap | Cash Flow Hedge | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Asset value of the forward interest rate swap |  |  | 500,000,000 |  |  |  |  |
Derivative asset, notional amount settled |  | $ 114,000,000 |  |  |  |  |  |
Other operating activities |  | $ 52,000,000 |  |  |  |  |  |
Derivative asset, unsettled notional amount |  |  | 0 |  |  |  |  | $ 0
5.05% Notes Due 2035 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued | $ 600,000,000 |  |  |  |  |  |  |
Debt interest rate | 5.05% |  |  |  |  |  |  |
Two Separate Fixed-to-Floating Interest Rate Swaps Due 2055 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued | $ 250,000,000 |  |  |  |  |  |  |
Seven Fixed-to-Floating Interest Rate Swaps |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued |  |  | 1,100,000,000 |  |  |  |  |
3.25% Notes Due 2027 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued |  |  | $ 850,000,000 |  |  |  |  |
Debt interest rate |  |  | 3.25% |  |  |  |  |
Unsecured Revolving Credit Facility Due 2028 | Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity of credit facility |  |  | $ 1,200,000,000 |  |  |  |  |
Borrowings outstanding |  |  | $ 0 |  |  |  |  |

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