Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Information [Abstract]

Schedule of Cash, Cash Equivalents and Restricted Cash [Table Text Block]

The reconciliation of cash, cash equivalents, and restricted cash reported within various lines on the consolidated balance sheet to amounts reported in the consolidated statement of cash flows is shown below.

	As of December 31,
	2019		2018		2017
Cash and cash equivalents	$	196	$	277	$	314
Restricted cash, current	137		131		121
Restricted cash reported within long-term prepaid rent and other assets, net	5		5		5
Cash, cash equivalents and restricted cash	$	338	$	413	$	440

Supplemental Disclosure of Cash Flow Information and Non-cash Investing and Financing Activities

The following table is a summary of the supplemental cash flow information during the years ended December 31, 2019, 2018 and 2017.

	Years Ended December 31,
	2019		2018		2017
Supplemental disclosure of cash flow information:
Cash payments related to operating lease liabilities(a)(b)	$	541	$	—	$	—
Interest paid	661		619		547
Income taxes paid	16		17		16
Supplemental disclosure of non-cash investing and financing activities:
New ROU assets obtained in exchange for operating lease liabilities(b)	431		—		—
Increase in accounts payable for purchases of property and equipment	2		29		2
Purchase of property and equipment under finance leases and installment land purchases	33		40		32
Increase in preferred stock dividends accrued but not paid (see note 12)	—		—		28