Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Summary of Valuation Allowance [Table Text Block]

	Beginning				Net Deductions		Ending
(in millions)	Balance		Additions		and Other		Balance
Year ended December 31, 2022
Reserve for doubtful accounts	$	7		2		2	$	7
Deferred tax valuation allowance	$	934		18		126	$	826
Year ended December 31, 2021
Reserve for doubtful accounts	$	10		—		3	$	7
Deferred tax valuation allowance	$	1,112		33		211	$	934
Year ended December 31, 2020
Reserve for doubtful accounts	$	8		7		5	$	10
Deferred tax valuation allowance	$	821		344		53	$	1,112