v3.5.0.2
Financial Data by Business Segment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Revenue $ 19,269 $ 18,743 $ 38,059 $ 36,596
Operating income (loss) before depreciation and amortization 6,455 6,266 12,822 12,222
Depreciation and amortization 2,389 2,161 4,667 4,227
Operating income (loss) 4,066 4,105 8,155 7,995
Capital expenditures 2,271 1,971 4,156 3,697
NBCUniversal Media LLC [Member]        
Revenue 7,103 7,230 13,964 13,834
Operating income (loss) before depreciation and amortization 1,689 1,712 3,311 3,206
Depreciation and amortization 465 405 879 769
Operating income (loss) 1,224 1,307 2,432 2,437
Capital expenditures 360 272 655 540
Cable Communications [Member]        
Revenue 12,444 11,740 24,648 23,181
Operating income (loss) before depreciation and amortization 5,048 4,777 9,937 9,435
Depreciation and amortization 1,904 1,732 3,747 3,412
Operating income (loss) 3,144 3,045 6,190 6,023
Capital expenditures $ 1,881 $ 1,678 $ 3,457 $ 3,124
Cable segment revenue types as percentage of total cable revenue 100.00% 100.00% 100.00% 100.00%
Cable Networks [Member]        
Revenue $ 2,566 $ 2,450 $ 5,019 $ 4,809
Operating income (loss) before depreciation and amortization 944 872 1,900 1,770
Depreciation and amortization 187 211 377 395
Operating income (loss) 757 661 1,523 1,375
Capital expenditures 7 5 8 11
Cable Networks [Member] | NBCUniversal Media LLC [Member]        
Revenue 2,566 2,450 5,019 4,809
Operating income (loss) before depreciation and amortization 944 872 1,900 1,770
Depreciation and amortization 187 211 377 395
Operating income (loss) 757 661 1,523 1,375
Capital expenditures 7 5 8 11
Broadcast Television [Member]        
Revenue 2,128 1,813 4,212 4,061
Operating income (loss) before depreciation and amortization 394 231 678 413
Depreciation and amortization 30 30 62 59
Operating income (loss) 364 201 616 354
Capital expenditures 30 14 49 25
Broadcast Television [Member] | NBCUniversal Media LLC [Member]        
Revenue 2,128 1,813 4,212 4,061
Operating income (loss) before depreciation and amortization 394 231 678 413
Depreciation and amortization 30 30 62 59
Operating income (loss) 364 201 616 354
Capital expenditures 30 14 49 25
Filmed Entertainment [Member]        
Revenue 1,351 2,266 2,734 3,712
Operating income (loss) before depreciation and amortization 56 422 223 715
Depreciation and amortization 12 6 20 11
Operating income (loss) 44 416 203 704
Capital expenditures 5 4 8 5
Filmed Entertainment [Member] | NBCUniversal Media LLC [Member]        
Revenue 1,351 2,266 2,734 3,712
Operating income (loss) before depreciation and amortization 56 422 223 715
Depreciation and amortization 12 6 20 11
Operating income (loss) 44 416 203 704
Capital expenditures 5 4 8 5
Theme Parks [Member]        
Revenue 1,136 773 2,162 1,424
Operating income (loss) before depreciation and amortization 469 334 844 578
Depreciation and amortization 145 76 243 142
Operating income (loss) 324 258 601 436
Capital expenditures 240 166 440 328
Theme Parks [Member] | NBCUniversal Media LLC [Member]        
Revenue 1,136 773 2,162 1,424
Operating income (loss) before depreciation and amortization 469 334 844 578
Depreciation and amortization 145 76 243 142
Operating income (loss) 324 258 601 436
Capital expenditures 240 166 440 328
Headquarters And Other [Member]        
Revenue 6 3 9 7
Operating income (loss) before depreciation and amortization (175) (169) (335) (309)
Depreciation and amortization 91 82 177 162
Operating income (loss) (266) (251) (512) (471)
Capital expenditures 78 83 150 171
Headquarters And Other [Member] | NBCUniversal Media LLC [Member]        
Revenue 6 3 9 7
Operating income (loss) before depreciation and amortization (175) (169) (335) (309)
Depreciation and amortization 91 82 177 162
Operating income (loss) (266) (251) (512) (471)
Capital expenditures 78 83 150 171
NBCUniversal Eliminations [Member]        
Revenue (84) (75) (172) (179)
Operating income (loss) before depreciation and amortization 1 2 1 0
Depreciation and amortization 0 0 0 0
Operating income (loss) 1 2 1 0
Capital expenditures 0 0 0 0
NBCUniversal Eliminations [Member] | NBCUniversal Media LLC [Member]        
Revenue (84) (75) (172) (179)
Operating income (loss) before depreciation and amortization 1 22 1 39
Depreciation and amortization 0 0 0 0
Operating income (loss) 1 22 1 39
Capital expenditures 0 0 0 0
NBCUniversal [Member]        
Revenue 7,103 7,230 13,964 13,834
Operating income (loss) before depreciation and amortization 1,689 1,692 3,311 3,167
Depreciation and amortization 465 405 879 769
Operating income (loss) 1,224 1,287 2,432 2,398
Capital expenditures 360 272 655 540
Corporate and Other [Member]        
Revenue 180 164 379 357
Operating income (loss) before depreciation and amortization (291) (231) (445) (440)
Depreciation and amortization 20 24 41 46
Operating income (loss) (311) (255) (486) (486)
Capital expenditures 30 21 44 33
Eliminations [Member]        
Revenue (458) (391) (932) (776)
Operating income (loss) before depreciation and amortization 9 28 19 60
Depreciation and amortization 0 0 0 0
Operating income (loss) 9 28 19 60
Capital expenditures $ 0 $ 0 $ 0 $ 0
Cable Communications Segment Revenue Percentage-Video [Member]        
Cable segment revenue types as percentage of total cable revenue 44.90% 46.30% 45.10% 46.40%
Cable Communications Segment Revenue Percentage - High-speed Internet [Member]        
Cable segment revenue types as percentage of total cable revenue 27.10% 26.40% 27.00% 26.50%
Cable Communications Segment Revenue Percentage- Voice [Member]        
Cable segment revenue types as percentage of total cable revenue 7.20% 7.70% 7.30% 7.80%
Cable Communications Segment Revenue Percentage- Business Services [Member]        
Cable segment revenue types as percentage of total cable revenue 10.90% 9.90% 10.80% 9.80%
Cable Communications Segment Revenue Percentage- Advertising [Member]        
Cable segment revenue types as percentage of total cable revenue 4.80% 4.90% 4.70% 4.60%
Cable Communications Segment Revenue Percentage- Other [Member]        
Cable segment revenue types as percentage of total cable revenue 5.10% 4.80% 5.10% 4.90%
Cable Communications Segment Revenue Percentage- Franchise and other regulatory fees [Member]        
Cable segment revenue types as percentage of total cable revenue 2.80% 2.80% 2.80% 2.80%