Revenue

3 Months Ended

Mar. 31, 2020

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:



	Three Months Ended March 31, 2020
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	632	$	626	$	1,258
International, principally Europe	323		—		323
Total	$	955	$	626	$	1,581



	Three Months Ended March 31, 2019
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	598	$	573	$	1,171
International, principally Europe	342		—		342
Total	$	940	$	573	$	1,513

Our contract asset balance was $2 million at both March 31, 2020 and December 31, 2019. Our contract liability balance was $12 million and $40 million at March 31, 2020 and December 31, 2019, respectively.

We recognized $3 million of revenue for the three-month period ended March 31, 2020 related to performance obligations settled in previous years.

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



	Three Months Ended March 31, 2020
Balance at January 1 (after adopting ASU 2016-13)	$	5
Provision for expected credit losses during the period	2
Write-offs charged against the allowance	(1		)
Recoveries of amounts previously written off	1
Balance at end of period	$	7