Disposal Group, Including Discontinued Operation, Disposed Interest

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- Definition

Warrants, Fair Value Disclosure

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

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- Definition

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI) and investment in equity security without readily determinable fair value.

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The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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- Definition

Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity.

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- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

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The principal amount of the receivable or note before consideration of the discount or premium.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments (Investments) (Details) € in Millions, £ in Millions, $ in Millions		3 Months Ended			6 Months Ended
	Jun. 29, 2026 USD ($)	Jun. 30, 2026 USD ($)	Mar. 31, 2026 USD ($)	Mar. 31, 2026 GBP (£)	Jun. 30, 2026 USD ($)	Jun. 30, 2026 EUR (€)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 EUR (€)	Dec. 31, 2025 USD ($)
Schedule of Investments [Line Items]
Equity		$ 5,645.7			$ 5,645.7				$ 6,054.6
Short-term investments at fair value		0.0			0.0				76.2
Total — fair value		1,054.6			1,054.6				1,707.7
Total investments		6,700.3			6,700.3				7,762.3
Short-term investments		0.0			0.0				76.2
Long-term investments		6,700.3			6,700.3				7,686.1
Structured notes
Schedule of Investments [Line Items]
Proceeds received from the sale and maturities of debt securities			$ 36.6
Received cash proceeds		46.3
VMO2 JV
Schedule of Investments [Line Items]
Equity		$ 3,481.1			$ 3,481.1				3,756.7
Ownership percentage		50.00%			50.00%			50.00%
VodafoneZiggo JV
Schedule of Investments [Line Items]
Equity		$ 1,623.8			$ 1,623.8				1,738.6
Ownership percentage		50.00%			50.00%			50.00%
VodafoneZiggo JV \| VodafoneZiggo JV Loan
Schedule of Investments [Line Items]
Excess of carrying amount over proportional share in investees net assets		$ 1,001.9			$ 1,001.9				1,029.2
Related party note receivable rate					5.55%	5.55%
Interest accrued					$ 29.6	€ 25.9
VodafoneZiggo JV \| VodafoneZiggo JV Receivable I
Schedule of Investments [Line Items]
Related party note receivable		799.0			799.0			€ 700.0	821.5
VodafoneZiggo JV \| VodafoneZiggo JV Receivable II
Schedule of Investments [Line Items]
Related party note receivable		237.3			237.3			€ 207.9	244.0
AE Group Sàrl (AtlasEdge JV)
Schedule of Investments [Line Items]
Equity		$ 360.2			$ 360.2				388.4
Ownership percentage		48.80%			48.80%			48.80%
Nexfibre Networks Limited (nexfibre JV)
Schedule of Investments [Line Items]
Equity		$ 70.8			$ 70.8				88.3
Ownership percentage		25.00%			25.00%			25.00%
Other
Schedule of Investments [Line Items]
Equity		$ 109.8			$ 109.8				82.6
Equity securities fair value		411.4			411.4				385.2
Televisa Univision, Inc. (Televisa Univision)
Schedule of Investments [Line Items]
Long-term investments at fair value		$ 299.4			$ 299.4				299.5
Ownership percentage		6.50%			6.50%			6.50%
Lionsgate Studios Corp. (Lionsgate)
Schedule of Investments [Line Items]
Equity securities fair value		$ 107.8			$ 107.8				64.2
Ownership percentage		2.40%			2.40%			2.40%
ITV plc (ITV)
Schedule of Investments [Line Items]
Equity securities fair value		$ 100.7			$ 100.7				208.4
Ownership percentage		2.50%			2.50%			2.50%
Proceeds from sale of equity method investments			101.8	£ 76.1
CANAL+ Polska S.A
Schedule of Investments [Line Items]
Equity securities fair value		$ 78.0			$ 78.0				81.8
Ownership percentage		17.00%			17.00%			17.00%
Plume Design, Inc. (Plume)
Schedule of Investments [Line Items]
Long-term investments at fair value		$ 57.3			$ 57.3				64.1
Ownership percentage		10.20%			10.20%			10.20%
Warrants, fair value		$ 18.4			$ 18.4				21.1
EdgeConneX, Inc. (EdgeConneX)
Schedule of Investments [Line Items]
Equity securities fair value		$ 0.0			0.0				$ 528.3
Proceeds from sale of equity method investments					$ 677.8		$ 0.0
Proceeds from sale of securities	$ 604.2		$ 73.6
EdgeConneX, Inc. (EdgeConneX) \| Herndon Topco
Schedule of Investments [Line Items]
Disposed interest percentage			16.00%	16.00%
AtlasEdge JV \| Liberty Global
Schedule of Investments [Line Items]
Percentage of ownership interest		50.00%			50.00%			50.00%
nexfibre JV \| Liberty Global
Schedule of Investments [Line Items]
Percentage of ownership interest		25.00%			25.00%			25.00%