v3.3.1.900

Equity (Call Option Contracts and Other Transactions) (Details) € / shares in Units, $ / shares in Units, € in Millions, $ in Millions				3 Months Ended
	Feb. 01, 2013 EUR (€) shares	Dec. 17, 2012 € / shares	Dec. 17, 2012 € / shares $ / shares	Mar. 31, 2013 $ / shares	Feb. 01, 2013 USD ($) shares	Dec. 17, 2012 $ / shares
Telenet Self-Tender [Member]
Class of Stock [Line Items]
Use of restricted cash to fund transaction	€ 332.5				$ 454.6
Shares purchased pursuant to repurchase programs (in shares) | shares	9,497,637
Percentage ownership in subsidiary	58.40%
Warrants (in shares) | shares	3,000				3,000
Warrant Range One [Member]
Class of Stock [Line Items]
Warrants (in dollars per share) | (per share)		€ 13.48	$ 16.31
Warrant Range Two [Member]
Class of Stock [Line Items]
Warrants (in dollars per share) | (per share)		25.47	$ 30.82
Minimum [Member] | Telenet Self-Tender [Member]
Class of Stock [Line Items]
Share price (in dollar/euro per share) | € / shares		€ 35	$ 35
Maximum [Member] | Telenet Self-Tender [Member]
Class of Stock [Line Items]
Share price (in dollar/euro per share) | $ / shares						$ 42.35
Call Option [Member] | Class A Ordinary Shares [Member]
Class of Stock [Line Items]
Call options, exercise price (in dollars per share) | $ / shares				$ 0

X

- Definition

Exercise price of the option.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Footnote 5

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column A

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 02
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-Article 5

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