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Estimates (Schedule of Other Non-Current Assets, net) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Accounting Policies [Abstract]    
Crude pipeline linefill and tank bottoms $ 489 $ 498
Regulatory assets 55 42
Pension assets 129 140
Deferred charges 140 177
Restricted funds 121 164
Other 624 624
Total other non-current assets, net $ 1,558 $ 1,645