Restructuring and Related Activities (Tables)

6 Months Ended

Jun. 30, 2023

Restructuring and Related Activities [Abstract]

Restructuring and Related Costs

Restructuring and Other Costs, Before Tax
	Incurred in the Three Months Ended June 30,				Incurred in the Six Months Ended June 30,				Cumulative Incurred Through June 30, 2023		Total Amount Expected to be Incurred
	2023		2022		2023		2022
Severance benefits	$	—	$	(5)	$	(3)	$	(7)	$	38	$	38
IT costs	1		3		2		5		21		24
Professional fees and other expenses	2		4		4		9		62		65
Total restructuring and other costs, before tax	$	3	$	2	$	3	$	7	$	121	$	127

Schedule of Restructuring Reserve by Type of Cost

Accrued Restructuring and Other Costs
	Six Months Ended June 30, 2023
	Severance Benefits and Related Costs		IT Costs		Professional Fees and Other		Total Restructuring and Other Costs Liability
Balance, beginning of period	$	7	$	—	$	—	$	7
Incurred	(3)		2		4		3
Payments	(1)		(2)		(4)		(7)
Balance, end of period	$	3	$	—	$	—	$	3

Accrued Restructuring and Other Costs
	Six Months Ended June 30, 2022
	Severance Benefits and Related Costs		IT Costs		Professional Fees and Other		Total Restructuring and Other Costs Liability
Balance, beginning of period	$	18	$	—	$	—	$	18
Incurred	(7)		5		9		7
Payments	(2)		(5)		(9)		(16)
Balance, end of period	$	9	$	—	$	—	$	9