Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common stock	Ordinary shares	Additional paid-in capital	Retained earnings	AOCI	Treasury stock
Beginning balance at Nov. 30, 2020	$ 20,555	$ 11	$ 361	$ 13,948	$ 16,075	$ (1,436)	$ (8,404)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(4,045)				(4,045)
Other comprehensive income (loss)	310					310
Issuance of common stock, net	997			996
Share-based compensation and other	60			60
Ending balance at May. 31, 2021	17,876	11	361	15,005	12,030	(1,126)	(8,404)
Beginning balance at Feb. 28, 2021	19,813	11	361	14,977	14,102	(1,233)	(8,404)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,072)				(2,072)
Other comprehensive income (loss)	107					107
Share-based compensation and other	28			28
Ending balance at May. 31, 2021	17,876	11	361	15,005	12,030	(1,126)	(8,404)
Beginning balance at Nov. 30, 2021	12,144	11	361	15,292	6,448	(1,501)	(8,466)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,726)				(3,726)
Other comprehensive income (loss)	(241)					(241)
Issuance of common stock, net	30			30
Purchases and issuances under the Stock Swap program, net	8			89			(82)
Issuance of treasury shares for vested share-based awards	0				(72)		72
Share-based compensation and other	45			45	(1)
Ending balance at May. 31, 2022	8,260	11	361	15,457	2,649	(1,742)	(8,476)
Beginning balance at Feb. 28, 2022	10,311	11	361	15,360	4,493	(1,486)	(8,428)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,834)				(1,834)
Other comprehensive income (loss)	(257)					(257)
Issuance of common stock, net	15			15
Purchases and issuances under the Stock Swap program, net	6			62			(57)
Issuance of treasury shares for vested share-based awards	0				(9)		9
Share-based compensation and other	19			19	(1)
Ending balance at May. 31, 2022	$ 8,260	$ 11	$ 361	$ 15,457	$ 2,649	$ (1,742)	$ (8,476)