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Income Taxes (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2017
Income Tax Disclosures [Line Items]        
Tax Cuts and Jobs Act, Income Tax Expense (Benefit) $ (377,000,000) $ 0 $ 0  
Deferred Tax Liabilities, Undistributed Foreign Earnings 0      
Undistributed Earnings of Foreign Subsidiaries $ 3,000,000,000      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent (2.00%) 15.00% 12.00%  
Effective tax rate 13.00% 44.00% 35.00%  
Increase (decrease) in valuation allowance $ (106,000,000) $ (190,000,000)    
Valuation allowance (528,000,000) (634,000,000)    
Income tax benefit (expense) $ 133,000,000 $ (216,000,000) $ (352,000,000)  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00%  
Tax benefits related to tax status of operations in countries subject to reduced tax rates per share (in dollars per share) $ 0.02 $ 0.03 $ 0.02  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued:        
Interest on income taxes accrued $ 2,000,000 $ 1,000,000    
Unrecognized Tax Benefits, Income Tax Penalties Accrued 1,000,000 0    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense:        
Unrecognized Tax Benefits, Income Tax Penalties Expense 1,000,000 0 $ 0  
Uncertain Tax Positions Additional Disclosures:        
Unrecognized tax benefits 122,000,000 458,000,000 465,000,000 $ 463,000,000
Unrecognized tax benefits that would impact effective tax rate 122,000,000 439,000,000 448,000,000  
Unrecognized tax benefits that would impact effective tax rate portion with attributes warranting full valuation allowance 4,000,000 33,000,000 33,000,000  
Unrecognized Tax benefits Anticipated To Result In Ne Decrease of Unrecognized Tax Benefits WIthin 12 Months of Balance Sheet Date Minimum 0      
Unrecognized tax benefits anticipated to result in net decrease of unrecognized tax benefits within 12 months, maximum 10,000,000      
Federal        
Income Tax Disclosures [Line Items]        
Operating loss carryforward 1,900,000,000      
Foreign Tax Authority        
Income Tax Disclosures [Line Items]        
Operating loss carryforward 1,200,000,000      
State and Local Jurisdiction        
Income Tax Disclosures [Line Items]        
Operating loss carryforward 6,800,000,000      
General Business Tax Credit Carryforward        
Income Tax Disclosures [Line Items]        
Tax credit carryforward 68,000,000      
Foreign Jurisdictions        
Income Tax Disclosures [Line Items]        
Tax credit carryforward 2,000,000      
Non-US [Member]        
Income Tax Disclosures [Line Items]        
Income tax benefit (expense) (27,000,000) (33,000,000) (26,000,000)  
VIET NAM        
Income Tax Disclosures [Line Items]        
Income tax benefit (expense) $ (16,000,000) $ (16,000,000) $ (13,000,000)  
Tax benefits related to tax status of operations in countries subject to reduced tax rates per share (in dollars per share) $ 0.01 $ 0.01 $ 0.01  
Earliest Tax Year | Federal        
Uncertain Tax Positions Additional Disclosures:        
Operating Loss Carryforwards, Limitations on Use 540 million      
Earliest Tax Year | General Business Tax Credit Carryforward        
Income Tax Disclosures [Line Items]        
Tax credit carryforward $ 14,000,000      
Latest Tax Year | Federal        
Uncertain Tax Positions Additional Disclosures:        
Operating Loss Carryforwards, Limitations on Use 1.4 billion      
Latest Tax Year | General Business Tax Credit Carryforward        
Income Tax Disclosures [Line Items]        
Tax credit carryforward $ 54,000,000      
Guacolda Affiliate [Member]        
Income Tax Disclosures [Line Items]        
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent (1.00%)      
UNITED STATES        
Income Tax Disclosures [Line Items]        
Effective tax rate 35.00%      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%      
Uncertain Tax Positions Additional Disclosures:        
Unrecognized tax benefits that would impact effective tax rate $ 34,000,000