Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
OPERATING ACTIVITIES
Net income (loss)	$ (1,973)	$ (781)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	552	570
Impairments	17	1,062
Share-based compensation	40	20
Amortization of discounts and debt issue costs	42	6
Noncash lease expense	36	42
(Gain) loss on ship sales and other, net	50	(121)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities	(1,236)	798
Changes in operating assets and liabilities
Receivables	6	21
Inventories	(1)	(15)
Prepaid expenses and other	(263)	(120)
Accounts payable	(128)	148
Accrued liabilities and other	167	120
Customer deposits	(49)	(36)
Net cash provided by (used in) operating activities	(1,503)	916
INVESTING ACTIVITIES
Purchases of property and equipment	(1,774)	(1,326)
Proceeds from sales of ships	9	226
Purchase of minority interest	0	(81)
Purchase of short-term investments	(1,840)	0
Derivative settlements and other, net	17	20
Net cash provided by (used in) investing activities	(3,589)	(1,161)
FINANCING ACTIVITIES
Proceeds from (repayments of) short-term borrowings, net	0	779
Principal repayments of long-term debt	(668)	(132)
Proceeds from issuance of long-term debt	4,980	823
Dividends paid	0	(344)
Purchases of treasury stock	0	(12)
Issuance of common stock, net	997	2
Debt issue costs and other, net	(93)	(26)
Net cash provided by (used in) financing activities	5,216	1,089
Effect of exchange rate changes on cash, cash equivalents and restricted cash	14	(7)
Net increase (decrease) in cash, cash equivalents and restricted cash	138	838
Cash, cash equivalents and restricted cash at beginning of period	9,692	530
Cash, cash equivalents and restricted cash at end of period	$ 9,829	$ 1,368