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Estimates (Schedule of Other Non-Current Assets, net) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Accounting Policies [Abstract]    
Crude pipeline linefill and tank bottoms $ 743 $ 598
Regulatory assets 39 48
Pension assets 188 145
Deferred charges 151 148
Restricted funds 216 225
Other 680 569
Total other non-current assets, net $ 2,017 $ 1,733