Liabilities and Equity, Fair Value Adjustment

No definition available.

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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 210.5-02.22)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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 210.5-02.22(a)(1))

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

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- Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Details

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Long-Term Debt (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended	0 Months Ended	12 Months Ended
Long-Term Debt (Narrative) (Details) (USD $)	Feb. 10, 2012	Jun. 30, 2014	Dec. 06, 2010	Dec. 31, 2014	Dec. 31, 2013	Feb. 28, 2009	Jun. 29, 2014	May 23, 2013
Debt Instrument [Line Items]
Long-term debt				$ 5,462,272,000us-gaap_DebtInstrumentCarryingAmount
Debt Instrument, Term	5 years	3 years
Current borrowing capacity of line of credit	1,000,000,000.0
Maximum borrowing capacity				1,300,000,000.00
Senior secured credit facility
Debt Instrument [Line Items]
Long-term debt				0	299,000,000
Debt Instrument, Term			5 years
Capital Expenditure Facility
Debt Instrument [Line Items]
Current borrowing capacity of line of credit						1,000,000,000
Term Loan
Debt Instrument [Line Items]
Long-term debt						1,225,000,000	299,000,000
Debt Instrument, Term		2 years	5 years
Revolving Credit Facility
Debt Instrument [Line Items]
Current borrowing capacity of line of credit	800,000,000
PUGET SOUND ENERGY, INC.
Debt Instrument [Line Items]
Long-term debt				3,763,272,000
Current borrowing capacity of line of credit				1,000,000,000
Maximum borrowing capacity				1,450,000,000
PUGET SOUND ENERGY, INC. \| Pollution Control Bonds
Debt Instrument [Line Items]
Long-term debt								161,900,000
PUGET SOUND ENERGY, INC. \| Pollution Control Bonds \| 5.010% Series Due 2031
Debt Instrument [Line Items]
Stated interest rate percent								5.01%
PUGET SOUND ENERGY, INC. \| Pollution Control Bonds \| 3.910% Series Due 2031
Debt Instrument [Line Items]
Stated interest rate percent								3.91%
Puget Energy \| Pollution Control Bonds
Debt Instrument [Line Items]
Liabilities and Equity, Fair Value Adjustment				$ 18,000,000