Related party Transactions (Details) - NBCUniversal Media, LLC [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Revenue from related parties	$ 1.7	$ 0.5	$ 2.2	$ 0.6
Related party transaction expenses from transactions with related party	0.2	$ 0.1	0.4	$ 0.3
Outstanding receivable	1.2		1.2		$ 1.2
Outstanding payable	$ 0.0		$ 0.0		$ 0.3

Aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date, which are usually due after one year (or one business cycle).

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+ Details

- Definition

Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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+ Details