Commitments and Contingencies (Minimum Annual Commitments under the Programming License Agreements) (Details) $ in Millions	Dec. 31, 2019 USD ($)
Programming and Talent Commitments [Line Items]
2020	$ 14,682
2021	7,701
2022	7,849
2023	3,674
2024	4,595
Thereafter	13,230
NBCUniversal Media LLC [Member]
Programming and Talent Commitments [Line Items]
2020	7,179
2021	4,655
2022	4,813
2023	2,609
2024	3,555
Thereafter	$ 13,317

[Line Items] for Commitment And Contingencies [Table]

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Amount of contractual obligation due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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Amount of contractual obligation due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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