Duke Energy 2011 Annual Report Download - page 190

PART II
DUKE ENERGY CORPORATION •DUKE ENERGY CAROLINAS, LLC •DUKE ENERGY OHIO, INC. •DUKE ENERGY INDIANA, INC.
Combined Notes to Consolidated Financial Statements – (Continued)
(in millions)
TotalFairValue
Amounts at
December 31,
2010 Level 1 Level 2 Level 3
Description
Investments in available-for-sale auction rate securities(a) $12$ — $— $12
Nuclear decommissioning trust fund equity securities 1,365 1,313 46 6
Nuclear decommissioning trust fund debt securities 649 35 573 41
Derivative assets(b) 62 1 61 —
Total assets 2,088 1,349 680 59
Derivative liabilities(c) (1) (1) — —
Net assets $2,087 $1,348 $680 $59
(a) Included in Other within Investments and Other Assets on the Consolidated Balance Sheets.
(b) Included in Other within Current Assets and Other within Investments and Other Assets on the Consolidated Balance Sheets.
(c) Included in Other within Current Liabilities and Other within Deferred Credits and Other Liabilities on the Consolidated Balance Sheets.
The following table provides a reconciliation of beginning and ending balances of assets measured at fair value on a recurring basis where
the determination of fair value includes significant unobservable inputs (Level 3):
Rollforward of Level 3 Measurements
(in millions)
Available-for- Sale
Auction Rate
Securities
Available-for-Sale
NDTF
Investments Total
Year Ended December 31, 2011
Balance at January 1, 2011 $12 $47 $59
Net purchases, sales, issuances and settlements:
Purchases —88
Sales (3) (3)
Total gains included on the Consolidated Balance Sheet as regulatory asset or liability —11
Balance at December 31, 2011 $12 $53 $65
(in millions)
Available-for- Sale
Auction Rate
Securities
Available-for-Sale
NDTF
Investments Total
Year Ended December 31, 2010
Balance at January 1, 2010 $66 $— $66
Total pre-tax gains included in other comprehensive income:
Gains on available for sale securities and other 12 — 12
Net purchases, sales, issuances and settlements (66) 45 (21)
Total gains included on the Consolidated Balance Sheet as regulatory asset or liability — 2 2
Balance at December 31, 2010 $12 $47 $59
(in millions)
Available-for-Sale
Auction Rate
Securities
Year Ended December 31, 2009
Balance at January 1, 2009 $72
Total pre-tax unrealized losses included in Other Comprehensive income:
Losses on available for sale securities and other (6)
Balance at December 31, 2009 $66
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