Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Fair Values of Certain Financial Liabilities

The fair value of certain financial liabilities is shown below (in millions):

	March 31, 2022				December 31, 2021
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial liabilities
Senior notes (Level 1)	$	3,111	$	3,056	$	3,109	$	3,255
Credit facility (Level 2)		991		1,000		1,673		1,683
Mortgage debt (Level 2)		104		102		104		105