Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 3,393	$ 1,592
Trade receivables, net of reserves of $17 in 2013 and $16 in 2012	5,674	4,916
Inventories	1,200	1,344
Other current assets	1,056	1,640
Total current assets	11,323	9,492
INVESTMENTS IN UNCONSOLIDATED ENTITIES	1,459	1,894
PROPERTY, PLANT AND EQUIPMENT
Oil and gas segment	72,367	65,417
Chemical segment	6,446	6,054
Midstream, marketing and other segment	8,684	7,191
Corporate	1,555	1,434
GROSS PROPERTY, PLANT AND EQUIPMENT	89,052	80,096
Accumulated depreciation, depletion and amortization	(33,231)	(28,032)
TOTAL PROPERTY, PLANT AND EQUIPMENT	55,821	52,064
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	840	760
TOTAL ASSETS	69,443	64,210
CURRENT LIABILITIES
Current maturities of long-term debt		600
Accounts payable	5,520	4,708
Accrued liabilities	2,556	1,966
Domestic and foreign income taxes	358	16
Total current liabilities	8,434	7,290
LONG-TERM DEBT, NET	6,939	7,023
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred domestic and foreign income taxes	7,197	6,039
Other	3,501	3,810
Total deferred credits and other liabilities	10,698	9,849
CONTINGENT LIABILITIES AND COMMITMENTS
STOCKHOLDERS' EQUITY
Common stock, $0.20 per share par value, authorized shares: 1.1 billion, outstanding shares: 2013 - 889,919,058 and 2012 - 888,801,436	178	178
Treasury stock: 2013 - 93,928,179 shares and 2012 - 83,287,187 shares	(6,095)	(5,091)
Additional paid-in capital	7,515	7,441
Retained earnings	41,831	37,990
Accumulated other comprehensive loss	(303)	(502)
Total equity attributable to common stock	43,126	40,016
Noncontrolling interest	246	32
Total equity	43,372	40,048
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 69,443	$ 64,210