Investing Activities - Schedule of Available-for-sale Securities (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	$ 4,247.6	$ 4,060.9
Available-for-sale debt securities, gross unrealized gains	149.2	198.8
Available-for-sale debt securities, gross unrealized losses	(70.1)	(37.9)
Available-for-sale debt securities, fair value	4,326.7	4,221.8
Available-for-sale debt securities, other comprehensive income included in AOCI	(12.4)	(13.0)
Available-for-sale equity securities, amortized cost	27.0	28.4
Available-for-sale equity securities, gross unrealized gains	0.8	0.6
Available-for-sale equity securities, gross unrealized losses	(0.2)	(0.3)
Available-for-sale equity securities, fair value	27.6	28.7
U.S. government and agency
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	89.1	82.4
Available-for-sale debt securities, gross unrealized gains	6.2	6.9
Available-for-sale debt securities, gross unrealized losses	0.0	0.0
Available-for-sale debt securities, fair value	95.3	89.3
Available-for-sale debt securities, other comprehensive income included in AOCI	0.0	0.0
State and political subdivision
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	234.6	217.2
Available-for-sale debt securities, gross unrealized gains	11.1	13.6
Available-for-sale debt securities, gross unrealized losses	(2.9)	(1.6)
Available-for-sale debt securities, fair value	242.8	229.2
Available-for-sale debt securities, other comprehensive income included in AOCI	(0.2)	(0.2)
Foreign government
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	74.8	69.2
Available-for-sale debt securities, gross unrealized gains	4.6	5.4
Available-for-sale debt securities, gross unrealized losses	(0.5)	(0.8)
Available-for-sale debt securities, fair value	78.9	73.8
Available-for-sale debt securities, other comprehensive income included in AOCI	0.0	0.0
Corporate
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	3,062.4	2,730.7
Available-for-sale debt securities, gross unrealized gains	93.7	128.4
Available-for-sale debt securities, gross unrealized losses	(57.5)	(27.2)
Available-for-sale debt securities, fair value	3,098.6	2,831.9
Available-for-sale debt securities, other comprehensive income included in AOCI	(1.5)	(1.5)
Commercial mortgage-backed (“CMBS”)
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	237.1	236.2
Available-for-sale debt securities, gross unrealized gains	17.4	19.4
Available-for-sale debt securities, gross unrealized losses	(0.3)	0.0
Available-for-sale debt securities, fair value	254.2	255.6
Available-for-sale debt securities, other comprehensive income included in AOCI	0.0	0.0
Residential mortgage-backed (“RMBS”)
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	321.5	558.9
Available-for-sale debt securities, gross unrealized gains	12.3	20.9
Available-for-sale debt securities, gross unrealized losses	(3.8)	(3.4)
Available-for-sale debt securities, fair value	330.0	576.4
Available-for-sale debt securities, other comprehensive income included in AOCI	(8.5)	(8.6)
Collateralized debt obligations (“CDO”) / collateralized loan obligations (“CLO”)
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	139.7	84.2
Available-for-sale debt securities, gross unrealized gains	0.7	0.4
Available-for-sale debt securities, gross unrealized losses	(1.0)	(1.1)
Available-for-sale debt securities, fair value	139.4	83.5
Available-for-sale debt securities, other comprehensive income included in AOCI	(2.2)	(2.7)
Other asset-backed (“ABS”)
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale debt securities, amortized cost basis	88.4	82.1
Available-for-sale debt securities, gross unrealized gains	3.2	3.8
Available-for-sale debt securities, gross unrealized losses	(4.1)	(3.8)
Available-for-sale debt securities, fair value	87.5	82.1
Available-for-sale debt securities, other comprehensive income included in AOCI	$ 0.0	$ 0.0

Available-for-sale Debt Securities, Other Than Temporary Impairment, Included in AOCI

No definition available.

Name:	phlvic_AvailableforsaleDebtSecuritiesOtherThanTemporaryImpairmentIncludedinAOCI
Namespace Prefix:	phlvic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (aa)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.2)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

+ References

+ Details

Name:	us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

+ References

+ Details

Name:	us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of debt securities categorized neither as held-to-maturity nor trading.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (aa)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 320

-Section 50

-Paragraph 2

-Subparagraph (b)-(g)

-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of equity securities categorized neither as held-to-maturity nor as trading.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 320

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesEquitySecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ForeignGovernmentDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=phlvic_CollateralizedDebtObligationandCollateralizedLoanObligationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=phlvic_OtherAssetbackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: