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Segment Information - Segment Reporting (Details)
$ in Millions
 3 Months Ended
Feb. 28, 2021
USD ($)
segment
Feb. 29, 2020
USD ($)
Segment Reporting Information [Line Items]    
Number of reportable segments | segment 4  
Revenues $ 26 $ 4,789
Operating costs and expenses 535 3,523
Selling and administrative 462 678
Depreciation and amortization 552 570
Operating Income (Loss) (1,524) (713)
Goodwill impairments 0 731
NAA    
Segment Reporting Information [Line Items]    
Revenues 10 3,140
Operating costs and expenses 316 2,274
Selling and administrative 220 400
Depreciation and amortization 334 364
Operating Income (Loss) (859) (197)
Goodwill impairments   300
EA    
Segment Reporting Information [Line Items]    
Revenues 8 1,552
Operating costs and expenses 198 1,317
Selling and administrative 108 207
Depreciation and amortization 184 166
Operating Income (Loss) (482) (569)
Goodwill impairments   431
Cruise Support    
Segment Reporting Information [Line Items]    
Revenues 0 44
Operating costs and expenses 8 (87)
Selling and administrative 129 65
Depreciation and amortization 28 32
Operating Income (Loss) (164) 35
Tour and Other    
Segment Reporting Information [Line Items]    
Revenues 7 52
Operating costs and expenses 13 19
Selling and administrative 6 7
Depreciation and amortization 6 8
Operating Income (Loss) $ (18) $ 18