Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions |
Jun. 30, 2018 |
Dec. 31, 2017 |
Jun. 30, 2017 |
Dec. 31, 2016 |
Current assets: |
|
|
|
|
Cash and cash equivalents |
$ 392
|
$ 7,309
|
$ 206
|
$ 300
|
Receivables, net |
2,747
|
1,838
|
|
|
Content rights, net |
358
|
410
|
|
|
Prepaid expenses and other current assets |
409
|
434
|
|
|
Total current assets |
3,906
|
9,991
|
|
|
Noncurrent content rights, net |
3,258
|
2,213
|
|
|
Assets held for sale |
68
|
0
|
|
|
Goodwill, net |
13,119
|
7,073
|
|
|
Intangible assets, net |
10,368
|
1,770
|
|
|
Equity method investments, including note receivable (See Note 3) |
1,023
|
335
|
|
|
Other noncurrent assets |
966
|
576
|
|
|
Total assets |
33,492
|
22,555
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
646
|
30
|
|
|
Total current liabilities |
2,696
|
1,871
|
|
|
Noncurrent portion of debt |
17,683
|
14,755
|
|
|
Other noncurrent liabilities |
1,109
|
587
|
|
|
Total liabilities |
23,456
|
17,532
|
|
|
Redeemable noncontrolling interests |
410
|
413
|
|
|
Noncontrolling interests |
1,690
|
0
|
|
|
Total equity |
9,626
|
4,610
|
|
|
Total liabilities and equity |
33,492
|
22,555
|
|
|
Reclassifications and Eliminations |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
0
|
0
|
0
|
0
|
Receivables, net |
0
|
0
|
|
|
Content rights, net |
0
|
0
|
|
|
Prepaid expenses and other current assets |
0
|
0
|
|
|
Inter-company trade receivables, net |
(182)
|
(205)
|
|
|
Total current assets |
(182)
|
(205)
|
|
|
Investment in and advances to subsidiaries |
(18,333)
|
(19,102)
|
|
|
Noncurrent content rights, net |
0
|
0
|
|
|
Goodwill, net |
0
|
0
|
|
|
Intangible assets, net |
0
|
0
|
|
|
Equity method investments, including note receivable (See Note 3) |
0
|
0
|
|
|
Other noncurrent assets |
(20)
|
(20)
|
|
|
Total assets |
(18,535)
|
(19,327)
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
0
|
0
|
|
|
Other current liabilities |
0
|
0
|
|
|
Inter-company trade payables, net |
(182)
|
(205)
|
|
|
Total current liabilities |
(182)
|
(205)
|
|
|
Noncurrent portion of debt |
0
|
0
|
|
|
Other noncurrent liabilities |
(19)
|
(20)
|
|
|
Total liabilities |
(201)
|
(225)
|
|
|
Redeemable noncontrolling interests |
0
|
0
|
|
|
Equity attributable to Discovery, Inc. |
(20,024)
|
|
|
|
Noncontrolling interests |
1,690
|
|
|
|
Total equity |
(18,334)
|
(19,102)
|
|
|
Total liabilities and equity |
(18,535)
|
(19,327)
|
|
|
Discovery |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
0
|
0
|
0
|
0
|
Receivables, net |
0
|
0
|
|
|
Content rights, net |
0
|
0
|
|
|
Prepaid expenses and other current assets |
20
|
49
|
|
|
Inter-company trade receivables, net |
0
|
0
|
|
|
Total current assets |
20
|
49
|
|
|
Investment in and advances to subsidiaries |
7,918
|
4,563
|
|
|
Noncurrent content rights, net |
0
|
0
|
|
|
Assets held for sale |
0
|
|
|
|
Goodwill, net |
0
|
0
|
|
|
Intangible assets, net |
0
|
0
|
|
|
Equity method investments, including note receivable (See Note 3) |
0
|
0
|
|
|
Other noncurrent assets |
0
|
0
|
|
|
Total assets |
7,938
|
4,612
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
0
|
0
|
|
|
Other current liabilities |
0
|
0
|
|
|
Inter-company trade payables, net |
0
|
0
|
|
|
Total current liabilities |
0
|
0
|
|
|
Noncurrent portion of debt |
0
|
0
|
|
|
Other noncurrent liabilities |
2
|
2
|
|
|
Total liabilities |
2
|
2
|
|
|
Redeemable noncontrolling interests |
0
|
0
|
|
|
Equity attributable to Discovery, Inc. |
7,936
|
|
|
|
Noncontrolling interests |
0
|
|
|
|
Total equity |
7,936
|
4,610
|
|
|
Total liabilities and equity |
7,938
|
4,612
|
|
|
Scripps Networks |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
47
|
0
|
|
|
Receivables, net |
0
|
|
|
|
Content rights, net |
0
|
|
|
|
Prepaid expenses and other current assets |
53
|
|
|
|
Inter-company trade receivables, net |
0
|
|
|
|
Total current assets |
100
|
|
|
|
Investment in and advances to subsidiaries |
13,795
|
|
|
|
Noncurrent content rights, net |
0
|
|
|
|
Assets held for sale |
0
|
|
|
|
Goodwill, net |
0
|
|
|
|
Intangible assets, net |
0
|
|
|
|
Equity method investments, including note receivable (See Note 3) |
96
|
|
|
|
Other noncurrent assets |
0
|
|
|
|
Total assets |
13,991
|
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
0
|
|
|
|
Other current liabilities |
83
|
|
|
|
Inter-company trade payables, net |
0
|
|
|
|
Total current liabilities |
83
|
|
|
|
Noncurrent portion of debt |
241
|
|
|
|
Other noncurrent liabilities |
86
|
|
|
|
Total liabilities |
410
|
|
|
|
Redeemable noncontrolling interests |
0
|
|
|
|
Equity attributable to Discovery, Inc. |
13,581
|
|
|
|
Noncontrolling interests |
0
|
|
|
|
Total equity |
13,581
|
|
|
|
Total liabilities and equity |
13,991
|
|
|
|
DCH |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
0
|
0
|
0
|
0
|
Receivables, net |
0
|
0
|
|
|
Content rights, net |
0
|
0
|
|
|
Prepaid expenses and other current assets |
31
|
32
|
|
|
Inter-company trade receivables, net |
0
|
0
|
|
|
Total current assets |
31
|
32
|
|
|
Investment in and advances to subsidiaries |
(5,945)
|
4,532
|
|
|
Noncurrent content rights, net |
0
|
0
|
|
|
Assets held for sale |
0
|
|
|
|
Goodwill, net |
0
|
0
|
|
|
Intangible assets, net |
0
|
0
|
|
|
Equity method investments, including note receivable (See Note 3) |
0
|
0
|
|
|
Other noncurrent assets |
20
|
20
|
|
|
Total assets |
(5,894)
|
4,584
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
0
|
0
|
|
|
Other current liabilities |
0
|
0
|
|
|
Inter-company trade payables, net |
0
|
0
|
|
|
Total current liabilities |
0
|
0
|
|
|
Noncurrent portion of debt |
0
|
0
|
|
|
Other noncurrent liabilities |
0
|
0
|
|
|
Total liabilities |
0
|
0
|
|
|
Redeemable noncontrolling interests |
0
|
0
|
|
|
Equity attributable to Discovery, Inc. |
(5,894)
|
|
|
|
Noncontrolling interests |
0
|
|
|
|
Total equity |
(5,894)
|
4,584
|
|
|
Total liabilities and equity |
(5,894)
|
4,584
|
|
|
DCL |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
25
|
6,800
|
8
|
20
|
Receivables, net |
474
|
410
|
|
|
Content rights, net |
3
|
4
|
|
|
Prepaid expenses and other current assets |
33
|
204
|
|
|
Inter-company trade receivables, net |
182
|
205
|
|
|
Total current assets |
717
|
7,623
|
|
|
Investment in and advances to subsidiaries |
6,494
|
6,951
|
|
|
Noncurrent content rights, net |
676
|
672
|
|
|
Assets held for sale |
68
|
|
|
|
Goodwill, net |
3,678
|
3,677
|
|
|
Intangible assets, net |
256
|
259
|
|
|
Equity method investments, including note receivable (See Note 3) |
23
|
25
|
|
|
Other noncurrent assets |
516
|
364
|
|
|
Total assets |
12,428
|
19,571
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
608
|
7
|
|
|
Other current liabilities |
339
|
572
|
|
|
Inter-company trade payables, net |
0
|
0
|
|
|
Total current liabilities |
947
|
579
|
|
|
Noncurrent portion of debt |
16,858
|
14,163
|
|
|
Other noncurrent liabilities |
568
|
297
|
|
|
Total liabilities |
18,373
|
15,039
|
|
|
Redeemable noncontrolling interests |
0
|
0
|
|
|
Equity attributable to Discovery, Inc. |
(5,945)
|
|
|
|
Noncontrolling interests |
0
|
|
|
|
Total equity |
(5,945)
|
4,532
|
|
|
Total liabilities and equity |
12,428
|
19,571
|
|
|
Non-Guarantor Subsidiaries of DCL |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
246
|
509
|
198
|
280
|
Receivables, net |
1,350
|
1,428
|
|
|
Content rights, net |
269
|
406
|
|
|
Prepaid expenses and other current assets |
155
|
149
|
|
|
Inter-company trade receivables, net |
0
|
0
|
|
|
Total current assets |
2,020
|
2,492
|
|
|
Investment in and advances to subsidiaries |
0
|
0
|
|
|
Noncurrent content rights, net |
1,576
|
1,541
|
|
|
Assets held for sale |
0
|
|
|
|
Goodwill, net |
3,316
|
3,396
|
|
|
Intangible assets, net |
1,377
|
1,511
|
|
|
Equity method investments, including note receivable (See Note 3) |
317
|
310
|
|
|
Other noncurrent assets |
772
|
809
|
|
|
Total assets |
9,378
|
10,059
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
27
|
23
|
|
|
Other current liabilities |
1,147
|
1,269
|
|
|
Inter-company trade payables, net |
182
|
205
|
|
|
Total current liabilities |
1,356
|
1,497
|
|
|
Noncurrent portion of debt |
544
|
592
|
|
|
Other noncurrent liabilities |
574
|
606
|
|
|
Total liabilities |
2,474
|
2,695
|
|
|
Redeemable noncontrolling interests |
410
|
413
|
|
|
Equity attributable to Discovery, Inc. |
6,494
|
|
|
|
Noncontrolling interests |
0
|
|
|
|
Total equity |
6,494
|
6,951
|
|
|
Total liabilities and equity |
9,378
|
10,059
|
|
|
Other Non- Guarantor Subsidiaries of Discovery |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
74
|
0
|
0
|
0
|
Receivables, net |
923
|
0
|
|
|
Content rights, net |
86
|
0
|
|
|
Prepaid expenses and other current assets |
117
|
0
|
|
|
Inter-company trade receivables, net |
0
|
0
|
|
|
Total current assets |
1,200
|
0
|
|
|
Investment in and advances to subsidiaries |
(3,929)
|
3,056
|
|
|
Noncurrent content rights, net |
1,006
|
0
|
|
|
Assets held for sale |
0
|
|
|
|
Goodwill, net |
6,125
|
0
|
|
|
Intangible assets, net |
8,735
|
0
|
|
|
Equity method investments, including note receivable (See Note 3) |
587
|
0
|
|
|
Other noncurrent assets |
462
|
0
|
|
|
Total assets |
14,186
|
3,056
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
11
|
0
|
|
|
Other current liabilities |
481
|
0
|
|
|
Inter-company trade payables, net |
0
|
0
|
|
|
Total current liabilities |
492
|
0
|
|
|
Noncurrent portion of debt |
40
|
0
|
|
|
Other noncurrent liabilities |
1,866
|
21
|
|
|
Total liabilities |
2,398
|
21
|
|
|
Redeemable noncontrolling interests |
0
|
0
|
|
|
Equity attributable to Discovery, Inc. |
11,788
|
|
|
|
Noncontrolling interests |
0
|
|
|
|
Total equity |
11,788
|
3,035
|
|
|
Total liabilities and equity |
14,186
|
3,056
|
|
|
Discovery and Subsidiaries |
|
|
|
|
Current assets: |
|
|
|
|
Cash and cash equivalents |
392
|
7,309
|
$ 206
|
$ 300
|
Receivables, net |
2,747
|
1,838
|
|
|
Content rights, net |
358
|
410
|
|
|
Prepaid expenses and other current assets |
409
|
434
|
|
|
Inter-company trade receivables, net |
0
|
0
|
|
|
Total current assets |
3,906
|
9,991
|
|
|
Investment in and advances to subsidiaries |
0
|
0
|
|
|
Noncurrent content rights, net |
3,258
|
2,213
|
|
|
Assets held for sale |
68
|
|
|
|
Goodwill, net |
13,119
|
7,073
|
|
|
Intangible assets, net |
10,368
|
1,770
|
|
|
Equity method investments, including note receivable (See Note 3) |
1,023
|
335
|
|
|
Other noncurrent assets |
1,750
|
1,173
|
|
|
Total assets |
33,492
|
22,555
|
|
|
Current liabilities: |
|
|
|
|
Current portion of debt |
646
|
30
|
|
|
Other current liabilities |
2,050
|
1,841
|
|
|
Inter-company trade payables, net |
0
|
0
|
|
|
Total current liabilities |
2,696
|
1,871
|
|
|
Noncurrent portion of debt |
17,683
|
14,755
|
|
|
Other noncurrent liabilities |
3,077
|
906
|
|
|
Total liabilities |
23,456
|
17,532
|
|
|
Redeemable noncontrolling interests |
410
|
413
|
|
|
Equity attributable to Discovery, Inc. |
7,936
|
|
|
|
Noncontrolling interests |
1,690
|
|
|
|
Total equity |
9,626
|
4,610
|
|
|
Total liabilities and equity |
$ 33,492
|
$ 22,555
|
|
|