XML 76 R51.htm IDEA: XBRL DOCUMENT v2.4.0.6

Debt and Other Obligations Putable Automatic Rate Reset Securities (Details) (USD $) In Millions, unless otherwise specified	Jun. 01, 2013	May 01, 2013	Mar. 31, 2013
Debt Instrument
PARRS interest rate prior to rate reset	4.06%	4.15%
PARRS interest rate after rate reset	3.83%	3.96%
Reclass from long-term to current maturities			$ 271
Repurchased face amount		$ 1

X

- Definition

The PARRS interest rate after rate reset.

+ References

No definition available.

+ Details

Name:	tve_ParrsInterestRateAfterRateReset
Namespace Prefix:	tve_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The PARRS interest rate prior to rate reset.

+ References

No definition available.

+ Details

Name:	tve_ParrsInterestRatePriorToRateReset
Namespace Prefix:	tve_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount that was reclassed from long-term to current maturities.

+ References

No definition available.

+ Details

Name:	tve_ReclassFromLongTermToCurrentMaturities
Namespace Prefix:	tve_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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