Debt - Debt Cash Tender Offers and Redemptions (Details) $ in Millions, ¥ in Billions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2025 JPY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Gain on extinguishment of debt	$ 5		$ (14)	$ 37
Certain Notes And Debentures Issued Or Guaranteed
Debt Instrument [Line Items]
Repayments of long-term debt	1,100
Debt redeemed, including accrued and unpaid interest	1,100
Gain on extinguishment of debt	5
Certain Notes And Debentures Issued Or Guaranteed, Tender Offer
Debt Instrument [Line Items]
Repayments of long-term debt	457
Debt redeemed, including accrued and unpaid interest	448
Notes Due 2028 | Senior Notes
Debt Instrument [Line Items]
Repayments of long-term debt	250	¥ 37.7
Notes Due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt redeemed	$ 236
Interest rate (as a percent)	3.90%
Redemption price (as a percent)	100.00%	100.00%
Notes Due 2025 | Senior Notes
Debt Instrument [Line Items]
Repayments of long-term debt	$ 146
Interest rate (as a percent)	2.50%