Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
OPERATING ACTIVITIES
Net income (loss)	$ (693)	$ (1,891)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	582	554
Impairments	0	8
(Income) loss from equity-method investments	11	11
Share-based compensation	9	26
Amortization of discounts and debt issue costs	44	46
Noncash lease expense	35	34
Other, net	7	5
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities	(4)	(1,207)
Changes in operating assets and liabilities
Receivables	(121)	(22)
Inventories	(19)	(37)
Prepaid expenses and other	(57)	(44)
Accounts payable	(35)	(24)
Accrued liabilities and other	28	(65)
Customer deposits	596	187
Net cash provided by (used in) operating activities	388	(1,212)
INVESTING ACTIVITIES
Purchases of property and equipment	(1,075)	(2,730)
Proceeds from sales of ships	23	18
Purchase of short-term investments	0	(315)
Other, net	8	(6)
Net cash provided by (used in) investing activities	(1,044)	(3,032)
FINANCING ACTIVITIES
Proceeds from (repayments of) short-term borrowings, net	0	(48)
Principal repayments of long-term debt	(679)	(503)
Proceeds from issuance of long-term debt	830	2,347
Issuance of common stock, net	0	15
Issuance of common stock under the Stock Swap Program	0	27
Purchase of treasury stock under the Stock Swap Program	0	(23)
Debt issue costs and other, net	(40)	(86)
Net cash provided by (used in) financing activities	111	1,728
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(2)	(8)
Net increase (decrease) in cash, cash equivalents and restricted cash	(546)	(2,524)
Cash, cash equivalents and restricted cash at beginning of period	6,037	8,976
Cash, cash equivalents and restricted cash at end of period	$ 5,491	$ 6,452