Debt - Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2026	Mar. 29, 2026	Mar. 05, 2026	Mar. 04, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Long-term debt, fair value	$ 656				$ 579
Senior Notes \| 3.125% Senior Notes Due 2026
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.125%		3.125%
Long-term debt, fair value	$ 0				989
Senior Notes \| 5.00% Senior Notes Due 2027
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.00%	5.00%
Long-term debt, fair value	$ 1,245				1,496
Senior Notes \| 4.00% Senior Notes Due 2028
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.00%
Long-term debt, fair value	$ 1,945				1,948
Senior Notes \| 5.500% Senior Notes Due 2029
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.50%
Long-term debt, fair value	$ 1,245				1,256
Senior Notes \| 4.125% Senior Notes Due 2030
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.125%
Long-term debt, fair value	$ 1,408				1,425
Senior Notes \| 3.875% Senior Notes Due 2031
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.875%
Long-term debt, fair value	$ 1,365				1,376
Senior Notes \| 5.875% Senior Notes Due 2032
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.875%			5.875%
Long-term debt, fair value	$ 1,233				$ 0