VARIABLE INTEREST ENTITIES (Schedule of Consolidated Variable Interest Entities, Carrying Amounts of Assets and Liabilities) (Details) - USD ($) $ in Millions		Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Cash and cash equivalents		$ 5,848	$ 6,607	$ 6,610	$ 8,577
Other current assets		872	665
Net property		23,768	23,486
Other noncurrent assets		575	565
Total assets (1)		80,828	79,511
Current liabilities		13,193	12,604
Long-term debt		20,471	20,456
Other noncurrent obligations		5,433	5,560
Current assets		24,640	23,659
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents		99	75
Other current assets		108	95
Net property		960	961
Other noncurrent assets		55	55
Total assets (1)	[1]	1,222	1,186
Current liabilities		239	286
Long-term debt		364	330
Other noncurrent obligations		46	47
Total liabilities (2)	[2]	649	663
Variable Interest Entities Used to Monetize Accounts Receivable [Member]
Current liabilities		2	1
Current assets		547	477
Nonrecourse Liabilities Current		0	0
Variable Interest Entities Used to Monetize Accounts Receivable [Member] | Restricted Current Assets [Member]
Current assets		$ 0	$ 0

[1] All assets were restricted at March 31, 2017 and December 31, 2016.

[2] All liabilities were nonrecourse at March 31, 2017 and December 31, 2016.