Basis of Presentation and Significant Accounting Policies Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2020

Schedule of Cash Flow Supplemental Information [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental Disclosure of Cash Flow Information	Six Months Ended June 30,
	2020		2019
Cash paid during the period for:
Income taxes	$	11	$	1
Interest on long-term debt	58		74
Non-cash financing activities:
Exchange of investments in Puerto Rico COFINA bonds for new bonds issued in the Plan of Adjustment	$	—	$	510
	June 30,
	2020		2019
Reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets to the Consolidated Statements of Cash Flows:
Cash and cash equivalents	$	17	$	18
Restricted cash	15		—
Variable Interest Entity Restricted cash	2		29
Total cash, cash equivalents, and restricted cash shown on the Consolidated Statements of Cash Flows	$	34	$	46