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Consolidated Statements of Equity - USD ($)
$ in Millions
Total
Public
Limited Partners Common Units
Public
Class B Unitholders
MPC
Limited Partners Common Units
MPC
General Partner
Accumulated Other Comprehensive Loss
Noncontrolling Interests
Equity of Predecessor
MPC
Beginning Balance at Dec. 31, 2016 $ 11,110 $ 8,086 $ 133 $ 1,069 $ 1,013   $ 18 $ 791
Distributions to MPC from Predecessor (113)             (113)
Issuance of units under ATM Program 151 148     3      
Net income 171 55   17 62   1 36
Contribution from MPC 12             12
Allocation of MPC's net investment at acquisition 0     923 (197)     (726)
Distribution to MPC for acquisitions (1,511)     (430) (1,081)      
Distributions to unitholders and general partner (242) (140)   (45) (57)      
Distributions to noncontrolling interests (2)           (2)  
Contributions from noncontrolling interests 126           126  
Other (2) (2)            
Ending Balance at Mar. 31, 2017 9,700 8,147 133 1,534 (257)   143 0
Beginning Balance at Dec. 31, 2017 9,973 8,379 0 2,099 (637) $ (14) 146 0
Distributions to MPC from Predecessor 0              
Net income 407 180   225     2  
Contribution from MPC 1,046             1,046
Allocation of MPC's net investment at acquisition 0     5,172 (4,126)     (1,046)
Distribution to MPC for acquisitions (4,100)     (936) (3,164)      
Distributions to unitholders and general partner (347) (176)   (171)        
Distributions to noncontrolling interests (3)           (3)  
Contributions from noncontrolling interests 1           1  
Partners' Capital Account, Exchanges and Conversions 0     (7,926) 7,926      
Other 1 2     1 (2)    
Ending Balance at Mar. 31, 2018 $ 6,978 $ 8,385 $ 0 $ (1,537) $ 0 $ (16) $ 146 $ 0