XML 56 R44.htm IDEA: XBRL DOCUMENT v3.7.0.1
Acquisitions Acquisition of HST, WHC & MPLXT - Income Statement (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Business Acquisition [Line Items]        
Service revenue $ 286 $ 233 $ 546 $ 462
Service revenue - related parties 270 246 525 423
Rental income 70 71 139 141
Rental income - related parties 70 66 137 104
Product sales 191 137 394 237
Product sales - related parties 2 3 4 6
Income (loss) from equity method investments 1 (83) 6 [1] (78) [1]
Other income 1 1 3 3
Other income - related parties 25 24 47 45
Total revenues and other income 916 698 [2] 1,802 1,343 [2]
Cost of revenues (excludes items below) 139 113 252 207
Purchased product costs 140 114 271 193
Rental cost of sales 13 15 25 29
Rental cost of sales - related parties 1 1 1 1
Purchases - related parties 109 99 216 177
Depreciation and amortization 164 151 351 287
Impairment expense 0 1 0 130
General and administrative expenses 57 63 115 116
Other taxes 13 13 26 25
Total costs and expenses 636 570 [2] 1,257 1,165 [2]
Income from operations 280 128 [2] 545 178 [2]
Related party interest and other financial costs 0 0 0 1
Interest expense (net of amounts capitalized) 74 52 140 107
Other financial costs 13 12 25 24
Income (loss) before income taxes 193 64 [2] 380 46 [2]
Provision (benefit) for income taxes (2) 8 (2) 12
Net (loss) income 191 72 [2] 378 58 [2]
Less: Net income (loss) attributable to noncontrolling interest 1 1 2 1
Less: Net income attributable to Predecessor 0 52 36 98
Net income (loss) attributable to MPLX LP [3] 190 19 340 (41)
Less: Preferred unit distributions 17 9 33 9
Less: General partner’s interest in net income attributable to MPLX LP 74 46 136 85
Limited partners' interest in net income (loss) attributable to MPLX LP $ 99 (36) $ 171 (135)
Scenario, Previously Reported [Member]        
Business Acquisition [Line Items]        
Service revenue   233   462
Service revenue - related parties   145   295
Rental income   71   141
Rental income - related parties   29   55
Product sales   137   237
Product sales - related parties   3   6
Income (loss) from equity method investments   (83)   (78)
Other income   1   3
Other income - related parties   28   52
Total revenues and other income   564   1,173
Cost of revenues (excludes items below)   84   173
Purchased product costs   114   193
Rental cost of sales   14   28
Rental cost of sales - related parties   0   0
Purchases - related parties   78   154
Depreciation and amortization   137   269
Impairment expense   1   130
General and administrative expenses   49   101
Other taxes   11   22
Total costs and expenses   488   1,070
Income from operations   76   103
Related party interest and other financial costs       1
Interest expense (net of amounts capitalized)   52   107
Other financial costs   12   24
Income (loss) before income taxes   12   (29)
Provision (benefit) for income taxes   8   12
Net (loss) income   20   (17)
Less: Net income (loss) attributable to noncontrolling interest   1   1
Less: Net income attributable to Predecessor   0   23
Net income (loss) attributable to MPLX LP   19   (41)
Less: Preferred unit distributions   9   9
Less: General partner’s interest in net income attributable to MPLX LP   46   85
Limited partners' interest in net income (loss) attributable to MPLX LP   (36)   (135)
Scenario, Adjustment [Member]        
Business Acquisition [Line Items]        
Service revenue   0   0
Service revenue - related parties   0   0
Rental income   0   0
Rental income - related parties   0   0
Product sales   0   0
Product sales - related parties   0   0
Income (loss) from equity method investments   0   0
Other income   0   0
Other income - related parties [4]   (4)   (7)
Total revenues and other income   (4)   (7)
Cost of revenues (excludes items below)   0   0
Purchased product costs   0   0
Rental cost of sales   0   0
Rental cost of sales - related parties   0   0
Purchases - related parties [4]   (4)   (7)
Depreciation and amortization   0   0
Impairment expense   0   0
General and administrative expenses   0   0
Other taxes   0   0
Total costs and expenses   (4)   (7)
Income from operations   0   0
Related party interest and other financial costs       0
Interest expense (net of amounts capitalized)   0   0
Other financial costs   0   0
Income (loss) before income taxes   0   0
Provision (benefit) for income taxes   0   0
Net (loss) income   0   0
Less: Net income (loss) attributable to noncontrolling interest   0   0
Less: Net income attributable to Predecessor   0   0
Net income (loss) attributable to MPLX LP   0   0
Less: Preferred unit distributions   0   0
Less: General partner’s interest in net income attributable to MPLX LP   0   0
Limited partners' interest in net income (loss) attributable to MPLX LP   0   0
HST & WHC [Member] | Scenario, Adjustment [Member]        
Business Acquisition [Line Items]        
Service revenue   0   0
Service revenue - related parties   27   54
Rental income   0   0
Rental income - related parties   11   23
Product sales   0   0
Product sales - related parties   0   0
Income (loss) from equity method investments   0   0
Other income   0   0
Other income - related parties   0   0
Total revenues and other income   38   77
Cost of revenues (excludes items below)   9   14
Purchased product costs   0   0
Rental cost of sales   1   1
Rental cost of sales - related parties   1   1
Purchases - related parties   4   9
Depreciation and amortization   4   8
Impairment expense   0   0
General and administrative expenses   2   3
Other taxes   1   2
Total costs and expenses   22   38
Income from operations   16   39
Related party interest and other financial costs       0
Interest expense (net of amounts capitalized)   0   0
Other financial costs   0   0
Income (loss) before income taxes   16   39
Provision (benefit) for income taxes   0   0
Net (loss) income   16   39
Less: Net income (loss) attributable to noncontrolling interest   0   0
Less: Net income attributable to Predecessor   16   39
Net income (loss) attributable to MPLX LP   0   0
Less: Preferred unit distributions   0   0
Less: General partner’s interest in net income attributable to MPLX LP   0   0
Limited partners' interest in net income (loss) attributable to MPLX LP   0   0
MPLX Terminals [Member] | Scenario, Adjustment [Member]        
Business Acquisition [Line Items]        
Service revenue   0   0
Service revenue - related parties   74   74
Rental income   0   0
Rental income - related parties   26   26
Product sales   0   0
Product sales - related parties   0   0
Income (loss) from equity method investments   0   0
Other income   0   0
Other income - related parties   0   0
Total revenues and other income   100   100
Cost of revenues (excludes items below)   20   20
Purchased product costs   0   0
Rental cost of sales   0   0
Rental cost of sales - related parties   0   0
Purchases - related parties   21   21
Depreciation and amortization   10   10
Impairment expense   0   0
General and administrative expenses   12   12
Other taxes   1   1
Total costs and expenses   64   64
Income from operations   36   36
Related party interest and other financial costs       0
Interest expense (net of amounts capitalized)   0   0
Other financial costs   0   0
Income (loss) before income taxes   36   36
Provision (benefit) for income taxes   0   0
Net (loss) income   36   36
Less: Net income (loss) attributable to noncontrolling interest   0   0
Less: Net income attributable to Predecessor   36   36
Net income (loss) attributable to MPLX LP   0   0
Less: Preferred unit distributions   0   0
Less: General partner’s interest in net income attributable to MPLX LP   0   0
Limited partners' interest in net income (loss) attributable to MPLX LP   $ 0   $ 0
[1] Income (loss) from equity method investments includes the impact of any basis differential amortization or accretion.
[2] Financial information has been retrospectively adjusted for the acquisition of HST, WHC and MPLXT from MPC. See Notes 1 and 3.
[3] Allocation of net income (loss) attributable to MPLX LP assumes all earnings for the period had been distributed based on the current period distribution priorities.
[4] Represents intercompany transactions eliminated during the consolidation process, in accordance with GAAP.