$MPLX
MPLX LP Stock $mplx

$mplx Overview Financials Valuation SEC Filings Company Website

2013 Q3 Form 10-Q Financial Statement

#000155200013000003 Filed on November 07, 2013

Income Statement

Concept	2013 Q3	2012 Q3
Revenue	$123.8M	$121.1M
YoY Change	2.23%	10.8%
Cost Of Revenue	$56.90M	$62.00M
YoY Change	-8.23%	31.63%
Gross Profit	$66.90M	$59.10M
YoY Change	13.2%	-4.98%
Gross Profit Margin	54.04%	48.8%
Selling, General & Admin	$14.40M	$13.40M
YoY Change	7.46%	0.0%
% of Gross Profit	21.52%	22.67%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$12.70M	$9.400M
YoY Change	35.11%	-3.09%
% of Gross Profit	18.98%	15.91%
Operating Expenses	$27.10M	$22.80M
YoY Change	18.86%	-1.3%
Operating Profit	$39.80M	$36.30M
YoY Change	9.64%	-7.16%
Interest Expense	$0.00	$500.0K
YoY Change	-100.0%	150.0%
% of Operating Profit	0.0%	1.38%
Other Income/Expense, Net	-$200.0K
YoY Change
Pretax Income	$39.60M	$36.80M
YoY Change	7.61%	-6.36%
Income Tax	$400.0K	-$100.0K
% Of Pretax Income	1.01%	-0.27%
Net Earnings	$21.50M	$36.90M
YoY Change	-41.73%	-6.11%
Net Earnings / Revenue	17.37%	30.47%
Basic Earnings Per Share
Diluted Earnings Per Share	$581.1K
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2013 Q3	2012 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$87.00M	$69.00M
YoY Change	26.09%
Cash & Equivalents	$86.90M	$69.00M
Short-Term Investments
Other Short-Term Assets	$2.300M	$1.000M
YoY Change	130.0%
Inventory	$12.00M	$10.00M
Prepaid Expenses
Receivables	$14.30M	$73.00M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$155.6M	$153.0M
YoY Change	1.7%
LONG-TERM ASSETS
Property, Plant & Equipment	$956.2M	$958.0M
YoY Change	-0.19%
Goodwill	$104.7M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$2.200M	$5.000M
YoY Change	-56.0%
Total Long-Term Assets	$1.063B	$1.097B
YoY Change	-3.09%
TOTAL ASSETS
Total Short-Term Assets	$155.6M	$153.0M
Total Long-Term Assets	$1.063B	$1.097B
Total Assets	$1.219B	$1.250B
YoY Change	-2.5%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$41.60M	$46.00M
YoY Change	-9.57%
Accrued Expenses		$8.000M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.000M	$1.000M
YoY Change	0.0%
Total Short-Term Liabilities	$85.60M	$63.00M
YoY Change	35.87%
LONG-TERM LIABILITIES
Long-Term Debt	$10.00M	$11.00M
YoY Change	-9.09%
Other Long-Term Liabilities	$1.000M	$1.000M
YoY Change	0.0%
Total Long-Term Liabilities	$11.00M	$12.00M
YoY Change	-8.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$85.60M	$63.00M
Total Long-Term Liabilities	$11.00M	$12.00M
Total Liabilities	$96.90M	$75.00M
YoY Change	29.2%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$648.0M	$1.176B
YoY Change
Total Liabilities & Shareholders Equity	$1.219B	$1.250B
YoY Change	-2.5%

Cashflow Statement

Concept	2013 Q3	2012 Q3
OPERATING ACTIVITIES
Net Income	$21.50M	$36.90M
YoY Change	-41.73%	-6.11%
Depreciation, Depletion And Amortization	$12.70M	$9.400M
YoY Change	35.11%	-3.09%
Cash From Operating Activities	$58.50M	$26.90M
YoY Change	117.47%	-50.09%
INVESTING ACTIVITIES
Capital Expenditures	-$40.20M	-$54.40M
YoY Change	-26.1%	399.08%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$392.2M
YoY Change	-100.0%	502.46%
Cash From Investing Activities	-$40.20M	$337.8M
YoY Change	-111.9%	523.25%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-46.70M	-296.8M
YoY Change	-84.27%	213.08%
NET CHANGE
Cash From Operating Activities	58.50M	26.90M
Cash From Investing Activities	-40.20M	337.8M
Cash From Financing Activities	-46.70M	-296.8M
Net Change In Cash	-28.40M	67.90M
YoY Change	-141.83%	410.53%
FREE CASH FLOW
Cash From Operating Activities	$58.50M	$26.90M
Capital Expenditures	-$40.20M	-$54.40M
Free Cash Flow	$98.70M	$81.30M
YoY Change	21.4%	25.46%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	39000000	USD
CY2013Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	41600000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	17600000	USD
CY2013Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	14300000	USD
CY2012Q4	us-gaap	Accounts Receivable Related Parties Current AccountsReceivableRelatedPartiesCurrent	38000000	USD
CY2013Q3	us-gaap	Accounts Receivable Related Parties Current AccountsReceivableRelatedPartiesCurrent	40500000	USD
CY2013Q3	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	1500000	USD
CY2012Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	1500000	USD
CY2013Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	4700000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	3000000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	276300000	USD
CY2013Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	305100000	USD
CY2013Q3	us-gaap	Assets Assets	1218700000	USD
CY2012Q4	us-gaap	Assets Assets	1301300000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	283800000	USD
CY2013Q3	us-gaap	Assets Current AssetsCurrent	155600000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1600000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	216700000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	86900000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-129800000	USD
CY2013Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q3	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	21500000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	500000	USD
	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	11300000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	250200000	USD
CY2013Q3	us-gaap	Costs And Expenses CostsAndExpenses	84000000	USD
	us-gaap	Costs And Expenses Related Party CostsAndExpensesRelatedParty	69400000	USD
CY2013Q3	us-gaap	Costs And Expenses Related Party CostsAndExpensesRelatedParty	23800000	USD
CY2013Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	10700000	USD
CY2012Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	11300000	USD
CY2012Q4	us-gaap	Debt Current DebtCurrent	700000	USD
CY2013Q3	us-gaap	Debt Current DebtCurrent	700000	USD
CY2013Q3	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	1300000	USD
CY2012Q4	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	600000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	500000	USD
CY2013Q3	us-gaap	Depreciation Depreciation	12700000	USD
	us-gaap	Depreciation Depreciation	36300000	USD
	us-gaap	Distribution Made To Limited Partner Cash Distributions Declared DistributionMadeToLimitedPartnerCashDistributionsDeclared	64500000	USD
CY2013Q3	us-gaap	Distribution Made To Limited Partner Cash Distributions Declared DistributionMadeToLimitedPartnerCashDistributionsDeclared	22500000	USD
	us-gaap	Distribution Made To Limited Partner Cash Distributions Paid DistributionMadeToLimitedPartnerCashDistributionsPaid	55400000	USD
CY2012Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	13400000	USD
CY2013Q3	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	9900000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	400000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-100000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	2700000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3300000	USD
	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	-16900000	USD
CY2013Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.010
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.005
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	0	USD
CY2013Q3	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	0	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	0	USD
CY2013Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	13000000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40400000	USD
CY2013Q3	us-gaap	Goodwill Goodwill	104700000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	104700000	USD
CY2012Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	1500000	USD
CY2013Q3	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	1400000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	39800000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	110500000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	39600000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	109800000	USD
	us-gaap	Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories	-1100000	USD
CY2013Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	200000	USD
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	700000	USD
	us-gaap	Net Income Loss NetIncomeLoss	57700000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	51600000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	Segment
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	600000	USD
CY2013Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	200000	USD
	us-gaap	Interest Costs Incurred InterestCostsIncurred	800000	USD
CY2013Q3	us-gaap	Interest Costs Incurred InterestCostsIncurred	200000	USD
	us-gaap	Interest Income Other InterestIncomeOther	300000	USD
CY2013Q3	us-gaap	Interest Income Other InterestIncomeOther	0	USD
CY2012Q4	us-gaap	Liabilities Liabilities	74500000	USD
CY2013Q3	us-gaap	Liabilities Liabilities	96900000	USD
CY2013Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1218700000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1301300000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	63300000	USD
CY2013Q3	us-gaap	Liabilities Current LiabilitiesCurrent	85600000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	10600000	USD
CY2013Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	10000000	USD
CY2013Q3	us-gaap	Materials Supplies And Other MaterialsSuppliesAndOther	11600000	USD
CY2012Q4	us-gaap	Materials Supplies And Other MaterialsSuppliesAndOther	8900000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	59900000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-215900000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-81000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	167100000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	21500000	USD
	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	-1200000	USD
CY2013Q3	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	-500000	USD
CY2013Q3	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	21000000	USD
	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	56500000	USD
CY2013Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	17700000	USD
CY2013Q3	us-gaap	Other Assets Current OtherAssetsCurrent	2300000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2600000	USD
CY2013Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2200000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2800000	USD
	us-gaap	Other Financial Services Costs OtherFinancialServicesCosts	800000	USD
CY2013Q3	us-gaap	Other Financial Services Costs OtherFinancialServicesCosts	200000	USD
CY2013Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1600000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3000000	USD
CY2013Q3	us-gaap	Profit Loss ProfitLoss	39200000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	400000	USD
	us-gaap	Other Operating Income OtherOperatingIncome	3100000	USD
CY2013Q3	us-gaap	Other Operating Income OtherOperatingIncome	1000000	USD
CY2013Q3	us-gaap	Partners Capital PartnersCapital	647800000	USD
CY2012Q4	us-gaap	Partners Capital PartnersCapital	691100000	USD
	us-gaap	Partners Capital Account Acquisitions PartnersCapitalAccountAcquisitions	-100000000	USD
	us-gaap	Partners Capital Account Distributions PartnersCapitalAccountDistributions	55400000	USD
	us-gaap	Partners Capital Account Unit Based Compensation PartnersCapitalAccountUnitBasedCompensation	800000	USD
CY2012Q4	us-gaap	Partners Capital Attributable To Noncontrolling Interest PartnersCapitalAttributableToNoncontrollingInterest	535700000	USD
CY2013Q3	us-gaap	Partners Capital Attributable To Noncontrolling Interest PartnersCapitalAttributableToNoncontrollingInterest	474000000	USD
CY2012Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	1226800000	USD
CY2013Q3	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	1121800000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	100000000	USD
CY2013Q2	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	100000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	81000000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	59900000	USD
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain reclassifications of prior periods’ data have been made to conform to current classifications. On the December 31, 2012 consolidated balance sheet, deferred revenue-related parties of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$4.2 million</font><font style="font-family:inherit;font-size:10pt;"> has been reclassified from payables to related parties to a separate line. On the consolidated statement of cash flows for the </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">nine</font><font style="font-family:inherit;font-size:10pt;"> months ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">September 30, 2012</font><font style="font-family:inherit;font-size:10pt;">, within operating activities, asset retirement expenditures of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$2.6 million</font><font style="font-family:inherit;font-size:10pt;"> have been reclassified from all other, net to a separate line, and changes in crude oil inventories of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.7 million</font><font style="font-family:inherit;font-size:10pt;"> have been reclassified from changes in inventories to all other, net.</font></div></div>
	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	USD
	us-gaap	Proceeds From Payments For Long Term Loans For Related Parties ProceedsFromPaymentsForLongTermLoansForRelatedParties	0	USD
	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-600000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	0	USD
	us-gaap	Profit Loss ProfitLoss	109300000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1186300000	USD
CY2013Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1261300000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	910000000	USD
CY2013Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	956200000	USD
CY2013Q3	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	13300000	USD
	us-gaap	Refining And Marketing Costs RefiningAndMarketingCosts	99200000	USD
CY2013Q3	us-gaap	Refining And Marketing Costs RefiningAndMarketingCosts	33100000	USD
	us-gaap	Refining And Marketing Revenue RefiningAndMarketingRevenue	60000000	USD
CY2013Q3	us-gaap	Refining And Marketing Revenue RefiningAndMarketingRevenue	20400000	USD
	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	13400000	USD
CY2013Q3	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	4600000	USD
CY2013Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	97800000	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	284200000	USD
	mplx	Revenues And Other Income RevenuesAndOtherIncome	360700000	USD
CY2013Q3	mplx	Revenues And Other Income RevenuesAndOtherIncome	123800000	USD
CY2013Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1400000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	4900000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	-6800000	USD
CY2013Q3	us-gaap	Undistributed Earnings UndistributedEarnings	-1000000	USD
CY2013Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	200000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	200000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The accompanying interim consolidated financial statements are unaudited; however, in the opinion of our management, these statements reflect all adjustments necessary for a fair statement of the results for the periods reported. All such adjustments are of a normal, recurring nature unless otherwise disclosed. These interim consolidated financial statements, including the notes, have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) applicable to interim period financial statements and do not include all of the information and disclosures required by accounting principles generally accepted in the United States (“U.S. GAAP”) for complete financial statements.</font></div></div>
	mplx	Capital Expenditures Net Of Capital Accruals CapitalExpendituresNetOfCapitalAccruals	86000000	USD
CY2013Q3	mplx	Deferred Revenue Related Parties Current DeferredRevenueRelatedPartiesCurrent	27100000	USD
CY2012Q4	mplx	Deferred Revenue Related Parties Current DeferredRevenueRelatedPartiesCurrent	4200000	USD
CY2012Q4	mplx	Initial Public Offerings Completion Date InitialPublicOfferingsCompletionDate	2012-10-31
	mplx	Interest And Other Financial Income From Related Parties InterestAndOtherFinancialIncomeFromRelatedParties	0	USD
CY2013Q3	mplx	Interest And Other Financial Income From Related Parties InterestAndOtherFinancialIncomeFromRelatedParties	0	USD
	mplx	Non Cash Contributionfrom Mpc NonCashContributionfromMPC	200000	USD
	mplx	Non Cash Contributionfrom Mpc NonCashContributionfromMPC	0	USD
	mplx	Non Cash Net Transfers Of Materials And Supplies Inventories NonCashNetTransfersOfMaterialsAndSuppliesInventories	3800000	USD
CY2013Q2	mplx	Percentage Of Partners Interest Acquired PercentageOfPartnersInterestAcquired	0.05
	mplx	Retirement Expenditures RetirementExpenditures	3400000	USD
	mplx	Storage Capacity StorageCapacity	1000000	bbl
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
	dei	Document Period End Date DocumentPeriodEndDate	2013-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001552000
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	MPLX LP
	dei	Trading Symbol TradingSymbol	MPLX

Files In Submission

Name	View Source	Status
0001552000-13-000003-index-headers.html	Edgar Link	pending
0001552000-13-000003-index.html	Edgar Link	pending
0001552000-13-000003.txt	Edgar Link	pending
0001552000-13-000003-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
mplx-20130930.xml	Edgar Link	completed
mplx-20130930.xsd	Edgar Link	pending
mplx-20130930x10q.htm	Edgar Link	pending
mplx-20130930xex311.htm	Edgar Link	pending
mplx-20130930xex312.htm	Edgar Link	pending
mplx-20130930xex321.htm	Edgar Link	pending
mplx-20130930xex322.htm	Edgar Link	pending
mplx-20130930_cal.xml	Edgar Link	unprocessable
mplx-20130930_def.xml	Edgar Link	unprocessable
mplx-20130930_lab.xml	Edgar Link	unprocessable
mplx-20130930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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$MPLX
MPLX LP Stock $mplx

2013 Q3 Form 10-Q Financial Statement

#000155200013000003 Filed on November 07, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MPLX MPLX LP Stock $mplx

2013 Q3 Form 10-Q Financial Statement

#000155200013000003 Filed on November 07, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MPLX
MPLX LP Stock $mplx