Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
OPERATING ACTIVITIES
Net income	$ 2,060	$ 2,171
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,368	1,303
Impairments	392	0
Losses on fuel derivatives, net	19	102
Share-based compensation	48	40
Other, net	52	46
Adjustments to reconcile net income to net cash provided by operating activities	3,939	3,662
Changes in operating assets and liabilities
Receivables	(1)	(35)
Inventories	(18)	15
Prepaid expenses and other	(1)	(10)
Accounts payable	(101)	88
Accrued liabilities and other	25	(5)
Customer deposits	455	395
Net cash provided by operating activities	4,298	4,110
INVESTING ACTIVITIES
Additions to property and equipment	(2,296)	(2,416)
Proceeds from sales of ships	0	19
Payments of fuel derivative settlements	(157)	(231)
Collateral proceeds for fuel derivatives	0	22
Other, net	34	(16)
Net cash used in investing activities	(2,419)	(2,622)
FINANCING ACTIVITIES
(Repayments of) proceeds from short-term borrowings, net	(335)	301
Principal repayments of long-term debt	(1,012)	(971)
Proceeds from issuance of long-term debt	467	1,044
Dividends paid	(797)	(721)
Purchases of treasury stock	(305)	(2,110)
Sales of treasury stock	0	40
Other, net	(22)	(9)
Net cash used in financing activities	(2,004)	(2,426)
Effect of exchange rate changes on cash and cash equivalents	11	5
Net decrease in cash and cash equivalents	(114)	(933)
Cash and cash equivalents at beginning of period	603	1,395
Cash and cash equivalents at end of period	$ 489	$ 462