CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents ($160 and $100 related to VIEs)	$ 1,394	$ 939
Accounts receivable (net of allowance of $13 and $11)
Customers ($67 and $81 related to VIEs)	770	652
Others ($76 and $84 related to VIEs)	730	1,817
Other current assets	318	573
Total	3,212	3,981
Properties and Equipment
Cost	69,610	70,683
Less accumulated depreciation, depletion, and amortization	37,265	36,932
Net properties and equipment ($5,002 and $4,859 related to VIEs)	32,345	33,751
Other Assets ($621 and $644 related to VIEs)	2,239	2,268
Goodwill and Other Intangible Assets ($1,237 and $1,220 related to VIEs)	6,237	6,331
Total Assets	44,033	46,331
Current Liabilities
Accounts payable ($172 and $179 related to VIEs)	2,200	2,850
Current asset retirement obligations	221	309
Interest payable	242	247
Other taxes payable ($21 and $18 related to VIEs)	282	318
Accrued expenses	267	424
Short-term debt	32	32
Total	3,244	4,180
Long-term Debt	15,641	15,636
Other Long-term Liabilities
Deferred income taxes	4,686	5,400
Asset retirement obligations ($135 and $127 related to VIEs)	1,726	1,750
Other	4,136	3,908
Total	10,548	11,058
Stockholders' equity
Common stock, par value $0.10 per share (1.0 billion shares authorized, 531.2 million and 528.3 million shares issued)	53	52
Paid-in capital	9,638	9,265
Retained earnings	3,103	4,880
Treasury stock (20.7 million and 20.0 million shares)	(1,026)	(995)
Accumulated other comprehensive income (loss)	(487)	(383)
Total Stockholders’ Equity	11,281	12,819
Noncontrolling interests	3,319	2,638
Total Equity	14,600	15,457
Total Liabilities and Equity	$ 44,033	$ 46,331