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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

Commitments and Contingencies.

Changes to Gross Insurance Liabilities

​

​	​	​	​	​	​	​
​		2022(a)			2021
Balance as of January 1	​	$	734	​	$	664
Self-insurance expense	​		242	​		240
Cash paid and other	​	​	(247)	​	​	(170)
Balance as of December 31	​	$	729	​	$	734
Current portion as of December 31	​	$	189	​	$	191
Long-term portion as of December 31	​	$	540	​	$	543

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

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Tabular disclosure of the gross changes to the insurance liability.

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