Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Changes in Allowances for Credit Losses

Changes in allowances for credit losses consisted of:

	Allowance for Trade Receivables		Allowance for Other Current Receivables		Allowance for Long-Term Receivables
	(in millions)
Balance at January 1, 2020	$	(35)	$	(44)	$	(14)
Current period provision for expected credit losses	(10)		(1)		(1)
Write-offs charged against the allowance	2		2		—
Currency	1		1		3
Balance at December 31, 2020	$	(42)	$	(42)	$	(12)
Current period provision for expected credit losses	(3)		(13)		—
Write-offs charged against the allowance	5		3		2
Currency	3		3		—
Balance at December 31, 2021	$	(37)	$	(49)	$	(10)