CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents ($80 and $359 related to VIEs)		$ 4,553	$ 3,184
Accounts receivable (net of allowance of $14 and $14)
Customers ($106 and $70 related to VIEs)		1,222	1,007
Others ($19 and $80 related to VIEs)		607	721
Other current assets		380	354
Total		6,762	5,266
Properties and Equipment
Cost		65,050	69,013
Less accumulated depreciation, depletion, and amortization		37,599	36,845
Net properties and equipment ($5,731 and $5,050 related to VIEs)		27,451	32,168
Other Assets ($579 and $609 related to VIEs)		2,211	2,226
Goodwill and Other Intangible Assets ($1,191 and $1,221 related to VIEs)		5,662	5,904
Total Assets		42,086	45,564
Current Liabilities
Accounts payable		1,894	1,617
Other		266	303
Short-term debt	[1]	142	42
Current asset retirement obligations		294	129
Other current liabilities		1,310	1,237
Total		3,906	3,328
Long-term Debt		15,547	15,281
Other Long-term Liabilities
Deferred income taxes		2,234	4,324
Asset retirement obligations ($143 and $140 related to VIEs)		2,500	2,802
Other		4,109	4,332
Total		8,843	11,458
Stockholders’ equity
Common stock, par value $0.10 per share (1.0 billion shares authorized, 574.2 million and 572.0 million shares issued)		57	57
Paid-in capital		12,000	11,875
Retained earnings		1,109	1,704
Treasury stock (43.4 million and 20.8 million shares)		(2,132)	(1,033)
Accumulated other comprehensive income (loss)		(338)	(391)
Total Stockholders’ Equity		10,696	12,212
Noncontrolling interests		3,094	3,285
Total Equity		13,790	15,497
Total Liabilities and Equity		42,086	45,564
Anadarko Excluding WES and WGP [Member]
Current Liabilities
Long-term Debt	[1]	12,054	12,162
WGP and WES [Member]
Current Liabilities
Long-term Debt		$ 3,493	$ 3,119

[1] Excludes WES and WGP.