CONSOLIDATED STATEMENTS OF INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2026	Feb. 28, 2025
Revenues [Abstract]
Total Revenues	$ 6,165	$ 5,810
Cruise and tour operating expenses:
Commissions, transportation and other	872	850
Onboard and other	618	599
Payroll and related	684	640
Fuel	397	465
Food	382	354
Other operating	986	858
Total Cruise and tour operating expenses	3,939	3,766
Selling and administrative expense	924	848
Depreciation and amortization expense	696	654
Operating Income	607	543
Interest income	12	7
Interest expense, net of capitalized interest	(291)	(377)
Debt extinguishment and modification costs	0	(252)
Other income (expense), net	(47)	12
Income (Loss) Before Income Taxes	280	(68)
Income tax expense, net	(17)	(7)
Net Income (Loss)	263	(75)
Less: net income attributable to noncontrolling interest	4	4
Net Income (Loss) attributable to Carnival Corporation & plc	$ 258	$ (78)
Earnings Per Share
Basic (in dollars per share)	$ 0.19	$ (0.06)
Diluted (in dollars per share)	$ 0.19	$ (0.06)
Passenger ticket
Revenues [Abstract]
Total Revenues	$ 4,023	$ 3,832
Onboard and other
Revenues [Abstract]
Total Revenues	$ 2,142	$ 1,978