Revenue (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021
	Plumbing Products		Decorative Architectural Products		Total
Primary geographic markets:
North America	$	808	$	721	$	1,529
International, principally Europe	441		—		441
Total	$	1,249	$	721	$	1,970


	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

Financing Receivable, Allowance for Credit Loss

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


	Three Months Ended March 31, 2021		Twelve Months Ended December 31, 2020
Balance at January 1	$	7	$	5
Provision for expected credit losses during the period	1		3
Write-offs charged against the allowance	(1)		(2)
Recoveries of amounts previously written off	1		1

Other (A)	(1)		—
Balance at end of period	$	7	$	7

(A) As a result of Hüppe being considered held for sale, $1 million for the three month period ended March 31, 2021 was removed from allowance for credit losses.