Counterparty To Dispose Shares

No definition available.

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- Definition

Warrants, Fair Value Disclosure

+ References

No definition available.

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- Definition

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.

+ References

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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

Amount, after allowance for credit loss, of accrued interest on 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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- Definition

Indicates line item in statement of financial position that includes accrued interest, after allowance for credit loss, on 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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- 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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- Definition

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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- Definition

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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- Definition

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

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- Definition

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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- Definition

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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- Definition

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 the sale of investments classified as other.

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- Definition

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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- Definition

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

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- Definition

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, shares in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($) shares	Jun. 30, 2025 EUR (€)	Jun. 30, 2025 EUR (€) shares	Dec. 31, 2024 USD ($)
Schedule of Investments [Line Items]
Equity	$ 9,296.5			$ 8,780.3
Short-term, separately-managed accounts (SMAs)	0.0			335.6
Total investments	3,258.1			3,243.3
Total investments	12,554.6			12,023.6
Short-term investments	1,328.1			335.6
Long-term investments	$ 11,226.5			$ 11,688.0
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]				Other current assets (notes 3 and 5)
Accrued interest				$ 7.2
AtlasEdge JV
Schedule of Investments [Line Items]
Percentage of ownership interest	50.00%		50.00%
nexfibre JV
Schedule of Investments [Line Items]
Percentage of ownership interest	25.00%		25.00%
VMO2 JV
Schedule of Investments [Line Items]
Equity	$ 6,844.9			6,501.4
Ownership percentage	50.00%		50.00%
VodafoneZiggo JV
Schedule of Investments [Line Items]
Equity	$ 1,873.1			1,738.4
Ownership percentage	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	$ 1,024.0			901.2
Related party note receivable rate	5.55%	5.55%
Interest accrued	$ 27.7	€ 23.5
VodafoneZiggo JV \| VodafoneZiggo JV Receivable I
Schedule of Investments [Line Items]
Related party note receivable	823.4		€ 700.0	724.4
VodafoneZiggo JV \| VodafoneZiggo JV Receivable II
Schedule of Investments [Line Items]
Related party note receivable	244.5		€ 207.9	215.1
AE Group Sàrl (AtlasEdge JV)
Schedule of Investments [Line Items]
Equity	$ 395.8			339.5
Ownership percentage	48.70%		48.70%
Nexfibre Networks Limited (nexfibre JV)
Schedule of Investments [Line Items]
Equity	$ 92.5			93.4
Ownership percentage	24.90%		24.90%
Other
Schedule of Investments [Line Items]
Equity	$ 90.2			107.6
Long-term investments at fair value	374.1			358.1
Vodafone - subject to re-use rights
Schedule of Investments [Line Items]
Short-term, separately-managed accounts (SMAs)	1,328.1			0.0
Long-term, SMAs	0.0			1,141.5
Total investments	$ 0.0			$ 89.3
Ownership percentage	5.10%		5.10%	5.20%
Counterparty to dispose (in shares) \| shares	90		90
Proceeds from sale of other investments	$ 81.7	€ 70.9
EdgeConneX, Inc. (EdgeConneX)
Schedule of Investments [Line Items]
Long-term investments at fair value	$ 516.3			$ 414.5
Ownership percentage	4.20%		4.20%
EdgeConneX, Inc. (EdgeConneX) \| Herndon Topco
Schedule of Investments [Line Items]
Ownership percentage	4.30%		4.30%
EdgeConneX, Inc. (EdgeConneX) \| McNair Topco
Schedule of Investments [Line Items]
Ownership percentage	3.40%		3.40%
ITV plc (ITV)
Schedule of Investments [Line Items]
Long-term investments at fair value	$ 431.2			351.4
Ownership percentage	10.10%		10.10%
Televisa Univision, Inc. (Televisa Univision)
Schedule of Investments [Line Items]
Long-term, SMAs	$ 313.9			314.8
Ownership percentage	6.30%		6.30%
CANAL+ Polska S.A (CANAL+ Polska).
Schedule of Investments [Line Items]
Long-term investments at fair value	$ 83.7			72.5
Ownership percentage	17.00%		17.00%
SMAs
Schedule of Investments [Line Items]
Long-term, SMAs	$ 82.8			97.5
Plume
Schedule of Investments [Line Items]
Long-term, SMAs	$ 60.0			73.0
Ownership percentage	10.50%		10.50%
Warrants, fair value	$ 19.1			24.5
Lionsgate
Schedule of Investments [Line Items]
Long-term investments at fair value	$ 40.8			53.4
Ownership percentage	2.50%		2.50%
Aviatrix Systems, Inc. (Aviatrix)
Schedule of Investments [Line Items]
Long-term investments at fair value	$ 27.2			$ 31.0
Ownership percentage	4.30%		4.30%