v3.7.0.1
Equity, Equity Activity (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Changes in carrying amount of Equity    
Balance at December 31, 2016 $ 1,542  
Proceeds from issuance of units, net of issuance costs 287  
Unitholder Distribution [1] (140)  
Net earnings attributable to partners 92 $ 92
Contributions (b) [2] 22  
Other 2  
Balance at March 31, 2017 1,805  
Common    
Changes in carrying amount of Equity    
Balance at December 31, 2016 1,608  
Proceeds from issuance of units, net of issuance costs 281  
Unitholder Distribution [1] (94)  
Net earnings attributable to partners 55  
Contributions (b) [2] 21  
Other (2)  
Balance at March 31, 2017 1,869  
General Partner    
Changes in carrying amount of Equity    
Balance at December 31, 2016 (66)  
Proceeds from issuance of units, net of issuance costs 6  
Unitholder Distribution [1] (46)  
Net earnings attributable to partners 37  
Contributions (b) [2] 1  
Other 4  
Balance at March 31, 2017 $ (64)  
[1] Represents cash distributions declared and paid during the three months ended March 31, 2017, relating to the fourth quarter of 2016.
[2] Includes Tesoro and TLGP contributions to the Partnership primarily related to reimbursements for capital spending pursuant predominantly to the Amended Omnibus Agreement and the Carson Assets Indemnity Agreement.