Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 326	$ 215
Accounts receivable:
Joint interest and other, net	168	96
Oil and natural gas sales	349	296
Inventories	44	37
Derivative instruments	29	231
Prepaid expenses and other	56	50
Total current assets	972	925
Property and equipment:
Oil and natural gas properties, full cost method of accounting ($9,585 million and $9,670 million excluded from amortization at June 30, 2019 and December 31, 2018, respectively)	24,076	22,299
Midstream assets	828	700
Other property, equipment and land	150	147
Accumulated depletion, depreciation, amortization and impairment	(3,451)	(2,774)
Net property and equipment	21,603	20,372
Funds held in escrow	13	0
Equity method investments	187	1
Derivative instruments	23	0
Deferred tax asset	150	97
Investment in real estate, net	112	116
Other assets	111	85
Total assets	23,171	21,596
Current liabilities:
Accounts payable-trade	204	128
Accrued capital expenditures	573	495
Other accrued liabilities	239	253
Revenues and royalties payable	139	143
Derivative instruments	25	0
Total current liabilities	1,180	1,019
Long-term debt	4,472	4,464
Derivative instruments	8	15
Asset retirement obligations	142	136
Deferred income taxes	1,909	1,785
Other long-term liabilities	10	10
Total liabilities	7,721	7,429
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.01 par value, 200,000,000 shares authorized, 163,949,167 issued and outstanding at June 30, 2019; 200,000,000 shares authorized, 164,273,447 issued and outstanding at December 31, 2018	2	2
Additional paid-in capital	12,933	12,936
Retained earnings	1,069	762
Total Diamondback Energy, Inc. stockholders’ equity	14,004	13,700
Non-controlling interest	1,446	467
Total equity	15,450	14,167
Total liabilities and equity	$ 23,171	$ 21,596