Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value, Assets and Liabilities Measured on Recurring Basis

Assets and liabilities measured and recorded at fair value on a recurring basis consisted of the following (in millions):

	December 31, 2021						December 31, 2020
	Total		Level 1		Level 2		Total		Level 1		Level 2
Assets
Mutual funds	$	1,434	$	1,434	$	—	$	1,335	$	1,335	$	—
U.S. Government securities	121		—		121		92		—		92
Other securities	684		492		192		555		341		214
Derivatives	15		—		15		52		—		52
Liabilities
Derivatives	60		—		60		22		—		22
Assets measured at NAV
Other commingled funds	20						20