Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Estimated Fair Values and Carrying Amounts of Assets and Liabilities

The following table shows the estimated fair values of the Company's financial instruments, along with the carrying amounts of the related assets (liabilities). See also note 3.

	Level in Fair Value Hierarchy	December 31, 2019				December 31, 2018
		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	1	$	196	$	196	$	277	$	277
Restricted cash, current and non-current	1	142		142		136		136
Liabilities:
Total debt and other obligations	2	$	18,121	$	19,170	$	16,682	$	16,562