XML 49 R52.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Available-For-Sale Securities (Fair Value Of Rabbi Trust) (Detail) (Rabbi Trust [Member], USD $) In Millions, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Total Rabbi Trust Available-for-Sale Securities | $ 214 us-gaap_AvailableForSaleSecurities | $ 191 us-gaap_AvailableForSaleSecurities
Power [Member] |  |
Total Rabbi Trust Available-for-Sale Securities | 53 us-gaap_AvailableForSaleSecurities / pseg_AvailableForSaleSecuritiesTypeOfTrustAxis = pseg_RabbiTrustMember / dei_LegalEntityAxis = pseg_PowerMember | 45 us-gaap_AvailableForSaleSecurities / pseg_AvailableForSaleSecuritiesTypeOfTrustAxis = pseg_RabbiTrustMember / dei_LegalEntityAxis = pseg_PowerMember
PSE And G [Member] |  |
Total Rabbi Trust Available-for-Sale Securities | 42 us-gaap_AvailableForSaleSecurities / pseg_AvailableForSaleSecuritiesTypeOfTrustAxis = pseg_RabbiTrustMember / dei_LegalEntityAxis = pseg_PseAndGMember | 41 us-gaap_AvailableForSaleSecurities / pseg_AvailableForSaleSecuritiesTypeOfTrustAxis = pseg_RabbiTrustMember / dei_LegalEntityAxis = pseg_PseAndGMember
Other Entity [Member] |  |
Total Rabbi Trust Available-for-Sale Securities | $ 119 us-gaap_AvailableForSaleSecurities / pseg_AvailableForSaleSecuritiesTypeOfTrustAxis = pseg_RabbiTrustMember / dei_LegalEntityAxis = pseg_OtherEntityMember | $ 105 us-gaap_AvailableForSaleSecurities / pseg_AvailableForSaleSecuritiesTypeOfTrustAxis = pseg_RabbiTrustMember / dei_LegalEntityAxis = pseg_OtherEntityMember

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant