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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2016
Accrued Liabilities, Current [Abstract]  
Accrued Liabilities [Table Text Block]
 
December 31,
 
2016
 
2015
 
(Millions)
Deferred income
$
338

 
$
94

Interest on debt
310

 
284

Employee costs
223

 
215

Refundable deposits
160

 

Special distribution repayable to Gulfstream (See Note 6 - Investing Activities)

 
149

Asset retirement obligations
61

 
57

Other, including other loss contingencies
356

 
279

 
$
1,448

 
$
1,078