XML 45 R32.htm IDEA: XBRL DOCUMENT v3.21.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Supplemental Cash Flow Information [Abstract]    
Interest (1) [1] $ 49 $ 47
Income Taxes, Net of Refunds Received 20 15
Interest Costs Capitalized 8 9
Accrued Capital Expenditures 436 642
Non-Cash Property Exchanges 25 29
Noncash Additions To Other Property, Plant and Equipment $ 74 $ 49
[1] Net of capitalized interest of $8 million and $9 million for the three months ended March 31, 2021 and 2020, respectively.