Debt - Public Debt (Details) ¥ in Millions, $ in Millions	Mar. 03, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2026 JPY (¥)	May 22, 2026 USD ($)	May 22, 2026 JPY (¥)	Dec. 31, 2025 USD ($)
6.750% Bonds, due 2028 | Currency Swap
Debt Instrument [Line Items]
Derivative liability | ¥			¥ 47,760		¥ 47,760
Fixed interest rate (as a percent)		3.88%	3.88%	3.88%	3.88%
Notes | 3.750% Notes due 2028, 3.900% Notes due 2029 and 4.750% Notes due 2036
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 1,193
Notes | 3.750% Notes, due 2028
Debt Instrument [Line Items]
Aggregate principal amount	$ 400
Long-term debt, interest rate (as a percent)	3.75%	3.75%	3.75%
Amount outstanding		$ 400				$ 0
Notes | 3.900% Notes, due 2029
Debt Instrument [Line Items]
Aggregate principal amount	$ 300
Long-term debt, interest rate (as a percent)	3.90%	3.90%	3.90%
Amount outstanding		$ 300				0
Notes | 4.750% Notes, due 2036
Debt Instrument [Line Items]
Aggregate principal amount	$ 500
Long-term debt, interest rate (as a percent)	4.75%	4.75%	4.75%
Amount outstanding		$ 500				0
Bonds | 6.750% Bonds, due 2028
Debt Instrument [Line Items]
Long-term debt, interest rate (as a percent)		6.75%	6.75%	6.75%	6.75%
Amount outstanding		$ 300		$ 300		$ 300