Condensed Consolidated Statements Of Equity - 3 months ended Mar. 31, 2021 - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Non-Controlling Interest
Balance at Dec. 31, 2020	$ (18,075)	$ 5,061	$ 7,787	$ (52,641)	$ 38,610	$ (17,133)	$ 241
Net loss attributable to Boeing Shareholders	(537)				(537)
Net Income (Loss) Attributable to Noncontrolling Interest	(24)						(24)
Net loss	(561)
Other Comprehensive Income (Loss), Tax	(63)
Other comprehensive income, net of tax	181					181
Share-based compensation and related dividend equivalents	321		321
Treasury shares issued for stock options exercised, net	23		(16)	39
Treasury shares issued for other share-based plans, net	(36)		(73)	37
Treasury shares issued for 401(k) contribution	306		136	170
Balance at Mar. 31, 2021	$ (17,841)	$ 5,061	$ 8,155	$ (52,395)	$ 38,073	$ (16,952)	$ 217