Consolidated Balance Sheets (MPLX Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Assets    
Cash and cash equivalents $ 4,653 $ 3,011
Receivables, less allowance for doubtful accounts 4,613 4,695
Inventories 5,111 5,550
Other current assets 148 145
Equity method investments 4,817 4,787
Property, plant and equipment, net 26,618 26,443
Goodwill 3,586 3,586
Other noncurrent assets 818 830
Liabilities    
Accounts payable 7,066 8,297
Payroll and benefits payable 337 591
Accrued taxes 639 670
Debt due within one year 26 624
Other current liabilities 304 296
Total long-term debt due after one year 17,232 12,322
Deferred income taxes (MPLX: $10 and $5, respectively) 3,120 2,654
Defined benefit postretirement plan obligations 1,126 1,099
Deferred credits and other liabilities 651 666
MPLX LP    
Assets    
Cash and cash equivalents 2 5
Receivables, less allowance for doubtful accounts 322 299
Inventories 64 65
Other current assets 26 29
Equity method investments 4,033 4,010
Property, plant and equipment, net 13,291 12,187
Goodwill 2,460 2,245
Other noncurrent assets 472 479
Liabilities    
Accounts payable 543 621
Payroll and benefits payable 2 1
Accrued taxes 34 38
Debt due within one year 1 1
Other current liabilities 138 130
Total long-term debt due after one year 11,861 6,945
Deferred income taxes (MPLX: $10 and $5, respectively) 10 5
Defined benefit postretirement plan obligations 0 0
Deferred credits and other liabilities $ 232 $ 230