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Basis of Presentation and Significant Accounting Policies Supplemental Cash Flow Information (Tables)
3 Months Ended
Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Supplemental Disclosure of Cash Flow Information
Three Months Ended March 31,
20212020
Cash paid during the period for:
Income taxes$8 $
Interest on long-term debt
25 31 
Non-cash financing activities:
Decrease in long-term debt as a result of surplus notes exchanges$71 $— 
March 31,
20212020
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
$23 $58 
Restricted cash16 31 
Variable Interest Entity restricted cash2 
Total cash, cash equivalents, and restricted cash shown on the Consolidated Statements of Cash Flows$42 $91 
Redeemable Noncontrolling Interest
Following is a rollforward of redeemable noncontrolling interest.
Three Months Ended March 31,2021
Beginning balance$7 
Net income attributable to redeemable noncontrolling interest (ASC 810) 
Adjustment to redemption value (ASC 480)$13 
Ending balance$20