Statement of Consolidated Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Operating activities
Net income	$ (121)	$ 120	$ 66	$ 263
Adjustments to reconcile net income to cash used for operations:
Depreciation and amortization			276	286
Deferred income taxes			(78)	47
Restructuring and other charges			511	22
Net loss from investing activities—asset sales			4	5
Net periodic pension benefit cost (F)			58	71
Stock-based compensation			27	29
Other			14	50
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
(Increase) in receivables			(743)	(709)
(Increase) in inventories			(117)	(220)
Decrease in prepaid expenses and other current assets			18	8
(Decrease) increase in accounts payable, trade			(29)	218
(Decrease) in accrued expenses			(46)	(84)
Increase in taxes, including income taxes			41	37
Pension contributions			(140)	(237)
(Increase) in noncurrent assets			(5)	(4)
(Decrease) in noncurrent liabilities			(9)	(42)
Cash used for operations			(152)	(260)
Financing Activities
Net change in short-term borrowings (original maturities of three months or less)			0	5
Additions to debt (original maturities greater than three months)			226	300
Payments on debt (original maturities greater than three months)			(226)	(801)
Premiums paid on early redemption of debt			0	(17)
Proceeds from exercise of employee stock options			11	13
Dividends paid to shareholders			(39)	(60)
Repurchase of common stock (H)			(900)	0
Other			(14)	(17)
Cash used for financing activities			(942)	(577)
Investing Activities
Capital expenditures			(304)	(288)
Proceeds from the sale of assets and businesses			12	5
Sales of investments			47	9
Cash receipts from sold receivables (K)			417	420
Other			(1)	0
Cash provided from investing activities			171	146
Effect of exchange rate changes on cash, cash equivalents and restricted cash			1	(2)
Net change in cash, cash equivalents and restricted cash			(922)	(693)
Cash, cash equivalents and restricted cash at beginning of period			2,282	2,153	$ 2,153
Cash, cash equivalents and restricted cash at end of period	$ 1,360	$ 1,460	$ 1,360	$ 1,460	$ 2,282