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Basis of Presentation and Significant Accounting Policies Supplemental Cash Flow Information (Tables)
9 Months Ended
Sep. 30, 2021
Supplemental Cash Flow Elements [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Supplemental Disclosure of Cash Flow Information
Nine Months Ended September 30,
20212020
Cash paid during the period for:
Income taxes$12 $11 
Interest on long-term debt
65 83 
Non-cash financing activities:
Decrease in long-term debt as a result of surplus notes exchanges$71 $— 
September 30,
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
$14 $37 
Restricted cash6 10 
Variable Interest Entity restricted cash2 
Total cash, cash equivalents, and restricted cash shown on the Consolidated Statements of Cash Flows$22 $50 
Redeemable Noncontrolling Interest
Following is a rollforward of redeemable noncontrolling interest.
Nine Months Ended September 30,2021
Beginning balance$7 
Net income attributable to redeemable noncontrolling interest (ASC 810)(1)
Adjustment to redemption value (ASC 480)14 
Ending balance$20