Derivative Financial Instruments - Reclassification Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Costs and expenses
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	$ 2	$ (11)
General and administrative expense
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	2	2
Revenues
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	1
Costs and expenses
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	(6)	(4)
General and administrative expense
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	$ 11	$ (10)