Revenue

6 Months Ended

Jun. 30, 2020

Revenues [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:

	Three Months Ended June 30, 2020
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	584	$	896	$	1,480
International, principally Europe	284		—		284
Total	$	868	$	896	$	1,764

	Six Months Ended June 30, 2020
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	1,216	$	1,522	$	2,738
International, principally Europe	607		—		607
Total	$	1,823	$	1,522	$	3,345

	Three Months Ended June 30, 2019
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	661	$	827	$	1,488
International, principally Europe	351		—		351
Total	$	1,012	$	827	$	1,839

	Six Months Ended June 30, 2019
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	1,259	$	1,400	$	2,659
International, principally Europe	693		—		693
Total	$	1,952	$	1,400	$	3,352

        Our contract asset balance was $2 million at both June 30, 2020 and December 31, 2019. Our contract liability balance was $17 million and $40 million at June 30, 2020 and December 31, 2019, respectively.

        We reversed $3 million and $1 million of revenue for the three-month periods ended June 30, 2020 and 2019, respectively, related to performance obligations settled in previous quarters of the same year. We recognized $2 million and $5 million of revenue for the three-month and six-month periods ended June 30, 2020, respectively, and $1 million of revenue for both the three-month and six-month periods ended June 30, 2019 related to performance obligations settled in previous years.

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

	Six Months Ended June 30, 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