Derivative Financial Instruments - Reclassification Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Costs and expenses
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	$ (3)	$ 11	$ 24	$ 18
General and administrative expense
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	1	4	6	6
Revenues
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax		1		1
Costs and expenses
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	(5)	(1)	(11)	9
General and administrative expense
Derivative [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	$ 2	$ (7)	$ (21)	$ (14)