v3.8.0.1
Acquisition and Divestitures PPA table (Details) - USD ($)
$ in Millions
 9 Months Ended
Oct. 30, 2017
Sep. 30, 2017
Dec. 31, 2016
Business Acquisition [Line Items]      
Goodwill   $ 127 $ 117
Schedule of Business Acquisitions, by Acquisition [Table Text Block]  
PRELIMINARY ACQUISITION DATE PURCHASE PRICE ALLOCATION (in millions)
Cash
$
22

Receivables
112

Inventories
11

Prepayments and Other Current Assets
6

Property, Plant and Equipment (a)
1,301

Goodwill
734

Acquired Intangibles
130

Other Noncurrent Assets
2

Accounts Payable
(167
)
Accrued Liabilities
(41
)
Debt
(347
)
Total purchase price
$
1,763


(a)
Estimated useful lives ranging from 3 to 22 years have been assumed based on the preliminary valuation.
  
Subsequent Event | WNRL Merger      
Business Acquisition [Line Items]      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents $ 22    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables 112    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory 11    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets 6    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment [1] 1,301    
Goodwill 734    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles 130    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets 2    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable (167)    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other (41)    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt (347)    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest $ 1,763    
Subsequent Event | Minimum | WNRL Merger      
Business Acquisition [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Subsequent Event | Maximum [Member] | WNRL Merger      
Business Acquisition [Line Items]      
Property, Plant and Equipment, Useful Life 22 years    
[1] Estimated useful lives ranging from 3 to 22 years have been assumed based on the preliminary valuation.