Investing Activities - Net Realized Investment Gains/Losses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Investments, Debt and Equity Securities [Abstract]
Total other-than-temporary debt impairments	$ (0.1)	$ 0
Portion of losses recognized in OCI	(0.1)	0
Net debt impairments recognized in earnings	(0.2)	0
Debt security impairments:
U.S. government and agency	0	0
State and political subdivision	0	0
Foreign government	0	0
Corporate	0phlvic_CorporateDebtSecurityImpairment	0phlvic_CorporateDebtSecurityImpairment
CMBS	0phlvic_CmbsDebtSecurityImpairment	0phlvic_CmbsDebtSecurityImpairment
RMBS	(0.2)phlvic_RmbsDebtSecurityImpairment	0phlvic_RmbsDebtSecurityImpairment
CDO/CLO	0phlvic_CdoCloDebtSecurityImpairment	0phlvic_CdoCloDebtSecurityImpairment
Other ABS	0	0
Net debt security impairments	(0.2)phlvic_NetDebtSecurityImpairments	0phlvic_NetDebtSecurityImpairments
Equity security impairments	0phlvic_EquitySecurityImpairments	0phlvic_EquitySecurityImpairments
Limited partnerships and other investment impairments	0	0
Net OTTI losses recognized in earnings	(0.2)	0
Debt security transaction gains	5.0phlvic_DebtSecurityTransactionGains	2.2phlvic_DebtSecurityTransactionGains
Debt security transaction losses	(0.1)phlvic_DebtSecurityTransactionLosses	(0.8)phlvic_DebtSecurityTransactionLosses
Equity security transaction gains	0phlvic_EquitySecurityTransactionGains	0phlvic_EquitySecurityTransactionGains
Equity security transaction losses	0phlvic_EquitySecurityTransactionLosses	0phlvic_EquitySecurityTransactionLosses
Limited partnerships and other investment transaction gains	0	0
Limited partnerships and other investment transaction losses	0	0
Net transaction gains (losses)	4.9phlvic_NetTransactionGains	1.4phlvic_NetTransactionGains
Derivative instruments	(3.3)us-gaap_GainLossOnSaleOfDerivatives	(23.6)us-gaap_GainLossOnSaleOfDerivatives
Embedded derivatives	(10.2)	(12.9)
Net realized gains (losses), excluding impairment losses	(8.6)	(35.1)
Net realized gains (losses)	$ (8.8)us-gaap_RealizedInvestmentGainsLosses	$ (35.1)us-gaap_RealizedInvestmentGainsLosses

No authoritative reference available.

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No definition available.

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No definition available.

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- Definition

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(h))

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The amount by which the fair value of an investment in debt securities categorized as Held-to-maturity is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

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- Definition

Amount after tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 35

-Paragraph 34D

-URI http://asc.fasb.org/extlink&oid=27723805&loc=SL6284304-111560

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- Definition

The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 8B

-URI http://asc.fasb.org/extlink&oid=27724398&loc=SL6284393-111563

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- Definition

The amount of other than temporary impairment losses on investments in debt securities categorized as Held-to-maturity which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) of investments in debt securities due to credit losses and other than temporary impairments due to other than credit losses when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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- Definition

This item represents the net total realized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain or loss of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain or loss which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and/or investments that are separately or otherwise not categorized as trading, available-for-sale, or held-to-maturity.

+ References

No definition available.

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- Definition

The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.3(a))

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-Section 50

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 3

-Subparagraph a

-Article 7

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