REVENUE

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

REVENUE

REVENUE

Our revenues are derived primarily from sales to customers in North America and Internationally, principally Europe. Net sales from these geographic markets, by segment, were as follows, in millions:

	Year Ended December 31, 2021
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	3,384	$	3,240	$	6,624
International, principally Europe	1,751		—		1,751
Total	$	5,135	$	3,240	$	8,375

	Year Ended December 31, 2020
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	2,753	$	3,052	$	5,805
International, principally Europe	1,383		—		1,383
Total	$	4,136	$	3,052	$	7,188

	Year Ended December 31, 2019
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	2,605	$	2,723	$	5,328
International, principally Europe	1,379		—		1,379
Total	$	3,984	$	2,723	$	6,707

We recognized increases to revenue of $9 million, $7 million, and $2 million in 2021, 2020, and 2019, respectively, for variable consideration related to performance obligations settled in previous periods.

We record contract assets for items for which we have satisfied our performance obligation but our receipt of payment is contingent upon delivery or other circumstances other than the passage of time. Our contract assets are recorded in prepaid expenses and other in our consolidated balance sheets. Our contract assets generally become unconditional and are reclassified to receivables in the quarter subsequent to each balance sheet date. Our contract asset balance was $1 million and $2 million at December 31, 2021 and 2020, respectively.

D. REVENUE (Concluded)

We record contract liabilities primarily for deferred revenue. Our contract liabilities are recorded in accrued liabilities in our consolidated balance sheets. Our contract liabilities are generally recognized to net sales in the immediately subsequent reporting period. Our contract liability balance was $67 million and $62 million at December 31, 2021 and 2020, respectively.

Changes in the allowance for credit losses deducted from accounts receivable were as follows, in millions:

	Year Ended December 31,
	2021		2020
Balance at January 1	$	7	$	5
Provision for expected credit losses during the period	1		3
Write-offs charged against the allowance	(2)		(2)
Recoveries of amounts previously written off	1		1
Other (A)	(1)		—
Balance at end of year	$	6	$	7

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(A)As a result of Hüppe being divested in May 2021, $1 million for the year ended December 31, 2021 was removed from allowance for credit losses.