What is MPLX's operating cash flow?

MPLX (MPLX) reported operating cash flow of $1.35B in Q1 2026.

How has MPLX's operating cash flow changed year-over-year?

MPLX's operating cash flow increased by 8.1% year-over-year, from $1.25B to $1.35B.

What is the long-term trend for MPLX's operating cash flow?

Over 4 years (2021 to 2025), MPLX's operating cash flow has grown at a 4.7% compound annual growth rate (CAGR), from $4.91B to $5.91B.

What does operating cash flow mean?

Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.

MPLX MPLX Operating Cash Flow

Operating Cash Flow at other companies

Enterprise Products PartnersEPD

$1.47B-36.5%

Energy TransferET

$3.38B+15.8%

Antero Midstream CorporationAM

$238.62M+19.9%

OneokOKE

$934M+3.3%

TRG

Targa ResourcesTRGP

$739.5M-22.5%

Kinder MorganKMI

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Other financials

Income statement

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Revenue$3.0B-2.8%

Operating income$1.2B-11.1%

Net income$922.0M-18.8%

EPS (diluted)$0.90-18.2%

Balance sheet

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Cash & equivalents$1.5B-40.6%

Total debt$267.0M-5.3%

Total assets$42.9B+10.2%

Cash flow

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CapEx$575.0M+115%

Free cash flow$772.0M-21.1%

Valuation

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Market cap$56.9B+8.5%

Enterprise value$55.66B+10.9%

P/E12×+0.3×

P/S4.4×+0.1×

Profitability

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Operating margin44.8%+0.6pp

Net margin36.7%0.0pp

FCF margin30.2%-9.4pp

Returns & leverage

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Current ratio1.1×0.0×

Where this comes from

Reported directly by MPLX in its filing.

Tagged under the XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities.

The official record: MPLX’s 10-Q, filed May 5, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is MPLX's operating cash flow?: MPLX (MPLX) reported operating cash flow of $1.35B in Q1 2026.
How has MPLX's operating cash flow changed year-over-year?: MPLX's operating cash flow increased by 8.1% year-over-year, from $1.25B to $1.35B.
What is the long-term trend for MPLX's operating cash flow?: Over 4 years (2021 to 2025), MPLX's operating cash flow has grown at a 4.7% compound annual growth rate (CAGR), from $4.91B to $5.91B.
What does operating cash flow mean?: Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.