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Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
Year Ended December 31,
202120202019
(In $ millions)
Interest paid, net of amounts capitalized105 120 118 
Taxes paid, net of refunds215 167 157 
Noncash Investing and Financing Activities   
Accrued treasury stock repurchases— — 
Finance lease obligations (Note 17)
— 78 — 
Accrued capital expenditures23 (16)20 
Other