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Accrued and Other Current Liabilities (Tables)
 12 Months Ended
Dec. 31, 2022
Accrued Liabilities, Current [Abstract]  
Accrued and Other Current Liabilities [Table Text Block]
 December 31,
 20222021
 (Millions)
Interest on debt$274 $277 
Employee costs218 214 
Regulatory liabilities (Note 1)
201 56 
Contract liabilities141 134 
Asset retirement obligations (Note 9)
87 75 
Operating lease liabilities (Note 13)
25 23 
Other, including accrued loss contingencies324 256 
$1,270 $1,035