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Debt - Term Loan Facilities (Details) ¥ in Millions, $ in Millions			9 Months Ended
	Sep. 18, 2025 USD ($)	Jun. 11, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 JPY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 JPY (¥)
Debt Instrument [Line Items]
Payment of debt			$ 140	$ 805
USD Term Loan Facility
Debt Instrument [Line Items]
Amount outstanding			0			$ 140
JPY Term Loan Facility
Debt Instrument [Line Items]
Amount outstanding			200			188
Unsecured Debt | USD Term Loan Facility
Debt Instrument [Line Items]
Amount outstanding			0			140
Payment of debt	$ 63	$ 75
Accrued interest (less than)	$ 1	$ 1
Unsecured Debt | JPY Term Loan Facility
Debt Instrument [Line Items]
Amount outstanding			$ 200		¥ 29,702	$ 188	¥ 29,702
Unsecured Debt | Maximum
Debt Instrument [Line Items]
Debt covenants, net debt to consolidated EBITDA ratio			3.75

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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