Warranty Liability

3 Months Ended

Mar. 31, 2019

Product Warranties Disclosures [Abstract]

Warranty Liability

WARRANTY LIABILITY

Changes in our warranty liability were as follows, in millions: 

	Three Months Ended March 31, 2019			Twelve Months Ended December 31, 2018
Balance at January 1	$	217		$	205
Accruals for warranties issued during the period	19			78
Accruals related to pre-existing warranties	—			(1		)
Settlements made (in cash or kind) during the period	(18		)	(65		)
Balance at end of period	$	218		$	217