CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Property and equipment, accumulated depreciation and amortization	$ 5,080	$ 4,945
Intangible assets - accumulated amortization	$ 88	$ 74
Shareholders' Equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	145,631,281	145,115,659
Common stock, shares outstanding (in shares)	111,359,830	115,530,889
Treasury stock (in shares)	34,271,451	29,584,770