Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017
OPERATING ACTIVITIES
Net income	$ 2,659	$ 2,060
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,510	1,368
Impairments	16	392
(Gains) losses on fuel derivatives, net	(61)	19
Share-based compensation	49	48
Other, net	(22)	52
Adjustments to reconcile net income to net cash provided by operating activities	4,151	3,939
Changes in operating assets and liabilities
Receivables	(61)	(1)
Inventories	(19)	(18)
Prepaid expenses and other	76	(1)
Accounts payable	(94)	(101)
Accrued liabilities and other	(166)	25
Customer deposits	549	455
Net cash provided by operating activities	4,436	4,298
INVESTING ACTIVITIES
Purchases of property and equipment	(2,784)	(2,296)
Proceeds from sales of ships	282	0
Payments of fuel derivative settlements	(37)	(157)
Other, net	(67)	34
Net cash used in investing activities	(2,606)	(2,419)
FINANCING ACTIVITIES
Proceeds from (repayments of) short-term borrowings, net	182	(335)
Principal repayments of long-term debt	(1,271)	(1,012)
Proceeds from issuance of long-term debt	1,618	467
Dividends paid	(1,003)	(797)
Purchases of treasury stock	(1,205)	(305)
Other, net	(28)	(22)
Net cash used in financing activities	(1,707)	(2,004)
Effect of exchange rate changes on cash and cash equivalents	7	11
Net increase (decrease) in cash and cash equivalents	131	(114)
Cash and cash equivalents at beginning of period	395	603
Cash and cash equivalents at end of period	$ 526	$ 489