Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies.

Changes to Gross Insurance Liabilities

	2019(a)		2018
Balance as of January 1	$	567	$	582
Self-insurance expense		171		142
Cash paid and other		(163)		(157)
Balance as of December 31	$	575	$	567
Current portion as of December 31	$	145	$	137
Long-term portion as of December 31	$	430	$	430

(a) Based on current estimates, we anticipate that most of our insurance reserves will be settled in cash over the next six years.