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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Schedule of Supplemental Balance Sheet Information Related to Leases
Operating lease right-of-use assets and lease liabilities in the Consolidated Balance Sheet were as follows:
December 31,20212020
Right-of-use assets classified in Other noncurrent assets$108 $131 
Current portion of lease liabilities classified in Other current liabilities
$33 $38 
Long-term portion of lease liabilities classified in Other noncurrent liabilities and deferred credits81 100 
Total lease liabilities$114 $138 
Schedule of Future Minimum Contractual Operating Lease Obligations Future minimum contractual operating lease obligations were as follows at December 31, 2021:
2022$38 
202328 
202419 
202512 
202610 
Thereafter27 
Total lease payments$134 
Less: Imputed interest(20)
Present value of lease liabilities$114 
Summary of Other Lease Information
December 31,202120202019
Right-of-use assets obtained in exchange for operating lease obligations$16 $35 $26 
Weighted-average remaining lease term in years666
Weighted-average discount rate5.4 %5.6 %5.9 %
Cash paid for interest and income taxes for both continuing and discontinued operations was as follows:
202120202019
Interest, net of amounts capitalized$267 $401 $340 
Income taxes, net of amounts refunded$53 $(33)$122