CONSOLIDATED FINANCIAL STATEMENTS Accounting Standards Update 2016-09 (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Excess Tax Benefit from Share-based Compensation, Operating Activities		$ 0
Increase (Decrease) in Other Operating Assets and Liabilities, Net	$ (254)	(937)
Net Cash Provided by (Used in) Operating Activities	476	139
Excess Tax Benefit from Share-based Compensation, Financing Activities		0
Employee taxes paid for share-based payment arrangements	84	61
Net Cash Provided by (Used in) Financing Activities	$ (231)	(958)
Scenario, Previously Reported [Member]
Excess Tax Benefit from Share-based Compensation, Operating Activities		26
Increase (Decrease) in Other Operating Assets and Liabilities, Net		876
Net Cash Provided by (Used in) Operating Activities		52
Excess Tax Benefit from Share-based Compensation, Financing Activities		26
Employee taxes paid for share-based payment arrangements		0
Net Cash Provided by (Used in) Financing Activities		$ (871)

Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=65896087&loc=d3e11374-113907

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Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585

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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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-Paragraph 15
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