CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock Issued	Common Stock In Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2018	$ 36,586	$ 13,132	$ (4,006)	$ 31,658	$ (4,622)	$ 424
Net income (loss)	430			421		9
Currency translation adjustments	77				77
Changes in fair value of cash flow hedges	(3)				(3)
Pension and other postretirement benefit plans	21				21
Shares sold to optionees, less shares exchanged	22	(25)	47
Vesting of restricted stock		(100)	100
Shares issued under employee stock purchase plan	85	(115)	200
Stock repurchase program	(98)		(98)
Stock-based compensation expense	108	108
Dividends declared	(693)			(693)
Other	(11)		1			(12)
Balance at Mar. 31, 2019	36,524	13,000	(3,756)	31,386	(4,527)	421
Balance at Dec. 31, 2019	$ 24,176	$ 13,078	$ (3,631)	18,751	(4,438)	416
Balance, shares at Dec. 31, 2019	1,385	1,434
Treasury shares, Balance at Dec. 31, 2019			(49)
Net income (loss)	$ (7,368)			(7,376)		8
Currency translation adjustments	(128)				(125)	(3)
Changes in fair value of cash flow hedges	(202)				(202)
Pension and other postretirement benefit plans	$ 42				42
Vesting of restricted stock		$ (117)	$ 117
Vesting of restricted stock, shares	2		2
Shares issued under employee stock purchase plan	$ 85	(95)	$ 180
Shares issued under employee stock purchase plan, shares	2		2
Stock repurchase program	$ (26)		$ (26)
Stock repurchase program, shares	(1)		(1)
Stock-based compensation expense	$ 108	108
Dividends declared	(694)			(694)
Other	(10)	(11)				1
Balance at Mar. 31, 2020	$ 15,983	$ 12,963	$ (3,360)	$ 10,681	$ (4,723)	$ 422
Balance, shares at Mar. 31, 2020	1,388	1,434
Treasury shares, Balance at Mar. 31, 2020			(46)