Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 5,874	$ 415
Short-term investments	7,352	0
Receivables, less allowance for doubtful accounts of $43 and $18, respectively	9,511	5,760
Inventories	9,211	7,999
Other current assets	2,175	2,724
Assets held for sale	20	11,389
Total current assets	34,143	28,287
Equity method investments	5,384	5,422
Property, plant and equipment, net	37,630	39,035
Goodwill	8,256	8,256
Right of use assets	1,424	1,521
Other noncurrent assets	2,463	2,637
Total assets	89,300	85,158
Current liabilities:
Accounts payable	12,196	7,803
Payroll and benefits payable	808	732
Accrued taxes	2,114	1,105
Debt due within one year	73	2,854
Operating lease liabilities	444	497
Other current liabilities	1,263	822
Liabilities held for sale	0	1,850
Total current liabilities	16,898	15,663
Long-term debt	27,270	28,730
Deferred income taxes	5,545	6,203
Defined benefit postretirement plan obligations	1,354	2,121
Long-term operating lease liabilities	975	1,014
Deferred credits and other liabilities	1,294	1,207
Total liabilities	53,336	54,938
Commitments and contingencies (see Note 24)
Redeemable noncontrolling interest	986	968
MPC stockholders’ equity:
Preferred stock, no shares issued and outstanding (par value $0.01 per share, 30 million shares authorized)	0	0
Common stock:
Issued – 983 million and 980 million shares (par value $0.01 per share, 2 billion shares authorized)	10	10
Held in treasury, at cost – 361 million and 329 million shares	(17,126)	(15,157)
Additional paid-in capital	33,256	33,208
Retained earnings	12,484	4,650
Accumulated other comprehensive loss	(344)	(512)
Total MPC stockholders’ equity	28,280	22,199
Noncontrolling interests	6,698	7,053
Total equity	34,978	29,252
Total liabilities, redeemable noncontrolling interest and equity	$ 89,300	$ 85,158