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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract]  
Supplemental cash flows related to leases
The following provides additional information relating to cash flow activities:
 Year ended December 31,
 202320222021
 (in millions)
Cash paid during the year for   
Interest—net of interest capitalized$145 $257 $176 
Income taxes—net of refunds373 1,776 430 
Supplemental disclosure of noncash investing and financing activities:
Change in capitalized expenditures in accounts payable and accrued expenses$15 $18 $(8)
Change in accrued share repurchases, including accrued excise taxes5 (1)(1)
Supplemental cash flow information related to leases was as follows:
Year ended December 31,
 202320222021
 (in millions)
Operating cash flows - cash paid for amounts included in the measurement of operating lease liabilities$107 $100 $97 
Right-of-use (ROU) assets obtained in exchange for operating lease obligations103 106 80