RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS - Consolidated Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2017
Cash flows from operations
Net income	$ 369	$ 518	$ 1,024	$ 1,241
Adjustments to reconcile net income to cash flows from operations:
Depreciation and amortization			580	586
Deferred income taxes			(45)	(291)
Stock compensation			92	87
Net periodic pension benefit and other postretirement costs			8	31
Intangible asset impairment			31	0
Changes in balance sheet items:
Accounts receivable, net			(23)	(16)
Inventories			(88)	(226)
Accounts payable and accrued liabilities			(249)	(32)
Other			(145)	(95)
Cash flows from operations – continuing operations			1,281	1,308
Cash flows from investing activities
Capital expenditures			(505)	(453)
Acquisitions and investments			(186)	(255)
Other investing activities, net			12	8
Cash flows from investing activities			(679)	(700)
Cash flows from financing activities
Cash dividends on common stock			(310)	(274)
Proceeds from stock issued under employee benefit plans			334	232
Purchases of treasury stock			(1,029)	(1,028)
Other financing activities, net			(42)	(25)
Cash flows from financing activities			614	(1,095)
Effect of foreign exchange rate changes on cash and cash equivalents			(39)	(53)
Increase (decrease) in cash and cash equivalents			1,171	(540)
Cash and cash equivalents at beginning of period			1,838	3,403
Cash and cash equivalents at end of period	3,009	2,863	3,009	2,863
Proceeds from stock issued under employee benefit plans			334	232
Net income	$ 375	518	$ 1,030	1,241
As previously reported
Cash flows from operations
Net income		544		1,276
Adjustments to reconcile net income to cash flows from operations:
Depreciation and amortization				594
Deferred income taxes				(284)
Stock compensation				87
Net periodic pension benefit and other postretirement costs				31
Intangible asset impairment				6
Changes in balance sheet items:
Accounts receivable, net				(16)
Inventories				(226)
Accounts payable and accrued liabilities				(31)
Other				(96)
Cash flows from operations – continuing operations				1,341
Cash flows from investing activities
Capital expenditures				(468)
Acquisitions and investments				(255)
Other investing activities, net				8
Cash flows from investing activities				(715)
Cash flows from financing activities
Cash dividends on common stock				(274)
Proceeds from stock issued under employee benefit plans				232
Purchases of treasury stock				(1,028)
Other financing activities, net				(25)
Cash flows from financing activities				(1,095)
Effect of foreign exchange rate changes on cash and cash equivalents				(65)
Increase (decrease) in cash and cash equivalents				(534)
Cash and cash equivalents at beginning of period				3,394
Cash and cash equivalents at end of period		2,860		2,860
Proceeds from stock issued under employee benefit plans				232
Net income		544		1,276
Restatement impacts
Cash flows from operations
Net income		(26)		(35)
Adjustments to reconcile net income to cash flows from operations:
Depreciation and amortization				(8)
Deferred income taxes				(7)
Stock compensation				0
Net periodic pension benefit and other postretirement costs				0
Intangible asset impairment				17
Changes in balance sheet items:
Accounts receivable, net				0
Inventories				0
Accounts payable and accrued liabilities				(1)
Other				1
Cash flows from operations – continuing operations				(33)
Cash flows from investing activities
Capital expenditures				15
Acquisitions and investments				0
Other investing activities, net				0
Cash flows from investing activities				15
Cash flows from financing activities
Cash dividends on common stock				0
Proceeds from stock issued under employee benefit plans				0
Purchases of treasury stock				0
Other financing activities, net				0
Cash flows from financing activities				0
Effect of foreign exchange rate changes on cash and cash equivalents				12
Increase (decrease) in cash and cash equivalents				(6)
Cash and cash equivalents at beginning of period				9
Cash and cash equivalents at end of period		3		3
Proceeds from stock issued under employee benefit plans				0
Net income		(26)		(35)
Restatement impacts | Equipment Leased to Customers under Operating Leases
Adjustments to reconcile net income to cash flows from operations:
Depreciation and amortization				(8)
Deferred income taxes				(2)
Cash flows from investing activities
Capital expenditures				15
Restatement impacts | Correction of Classification of Foreign Currency Gains and Losses in our Consolidated Statements of Cash Flows
Cash flows from financing activities
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents				17
Restatement impacts | Other Miscellaneous Adjustments to Cash Flows [Member]
Adjustments to reconcile net income to cash flows from operations:
Deferred income taxes				5
Restatement impacts | Foreign Currency Denominated Monetary Assets and Liabilities
Cash flows from financing activities
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents				35
Restatement impacts | Foreign Currency Derivative Contracts | Foreign exchange contracts
Changes in balance sheet items:
Accounts payable and accrued liabilities				1
Restatement impacts | Correction Of Translation Of The Financial Position And Results Of Operations Into U.S. Dollars Misstatements
Changes in balance sheet items:
Other				1
Cash flows from financing activities
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents				6
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents		$ 3		$ 3	$ 9