Accounts Receivable and Notes Receivable and Credit Quality of Receivables (Tables)

12 Months Ended

Dec. 31, 2021

Receivables [Abstract]

Summary of components of current and long-term accounts and notes receivable, net

The following table summarizes the components of current and long-term receivables, net:

	As of December 31,
	2021		2020
Current:
Receivables	$	475	$	514
Allowance for credit losses	(52)		(76)
Current receivables, net	423		438
Long-term:
Receivables	19		24
Allowance for credit losses	(2)		(5)
Long-term receivables, net	17		19
Total receivables, net	$	440	$	457

Summary of the components of total notes receivable, net

	As of
	December 31, 2021		Balances over 90 days past due		December 31, 2020		Balances over 90 days past due
Receivables:
U.S. and Canada	$	321	$	37	$	339	$	85
International	173		44		199		45
Total receivables	494		81		538		130
Receivables allowance
U.S. and Canada	(18)		(6)		(43)		(26)
International	(36)		(19)		(38)		(20)
Total receivables allowance	(54)		(25)		(81)		(46)
Receivables, net	$	440	$	56	$	457	$	84

Schedule of activity in allowance for notes receivable

The activity in our allowance for receivable credit losses for each of the years ended December 31, 2021 and 2020 is as follows:

	2021						2020
	Total		U.S and Canada		International		Total
Beginning allowance for credit losses	$	(81)	$	(43)	$	(38)	$	(37)
Provision	2		1		1		(56)
Charge-offs and recoveries	25		24		1		12
Allowance for credit losses as of December 31	$	(54)	$	(18)	$	(36)	$	(81)