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Fair Value of Financial Investments and Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2013
Fair Value Disclosures [Abstract] |
Financial Investments Included in Other Assets | Financial investments included in other assets were as follows, in millions:
|  | September 30, 2013 |  |  | December 31, 2012 |
Auction rate securities |  | $ | 22 |  |  | $ | 22 |
Total recurring investments |  |  | 22 |  |  |  | 22 |
Private equity funds |  |  | 63 |  |  |  | 69 |
Other investments |  |  | 4 |  |  |  | 4 |
Total non-recurring investments |  |  | 67 |  |  |  | 73 |
Total |  | $ | 89 |  |  | $ | 95 |
Company's Investments in Available-for-Sale Securities | The Company’s investments in available-for-sale securities at September 30, 2013 and December 31, 2012 were as follows, in millions:
|  |  |  |  | Pre-tax |  |  |  |
|  | Cost Basis |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Recorded Basis |
September 30, 2013 |  | $ | 19 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 22 |
December 31, 2012 |  | $ | 19 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 22 |
Recurring Fair Value Measurements | Financial investments measured at fair value on a recurring basis at each reporting period and the amounts for each level within the fair value hierarchy were as follows, in millions:
|  |  |  |  | Fair Value Measurements Using |
|  | Sep. 30, 2013 |  |  | Quoted Market Prices (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Auction rate securities |  | $ | 22 |  |  |  | — |  |  |  | — |  |  | $ | 22 |
Total |  | $ | 22 |  |  | $ | — |  |  | $ | — |  |  | $ | 22 |
|  |  |  |  | Fair Value Measurements Using |
|  | Dec. 31, 2012 |  |  | Quoted Market Prices (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level3) |
Auction rate securities |  | $ | 22 |  |  | $ | — |  |  | $ | — |  |  | $ | 22 |
Total |  | $ | 22 |  |  | $ | — |  |  | $ | — |  |  | $ | 22 |
Changes in Level 3 Financial Assets Measured at Fair Value on Recurring Basis | The following table summarizes the changes in Level 3 financial assets measured at fair value on a recurring basis for the nine months ended September 30, 2013 and the year ended December 31, 2012, in millions:
|  | Sep. 30, 2013 Auction Rate Securities |  |  | December 31, 2012 Auction Rate Securities |
Fair value at beginning of period |  | $ | 22 |  |  | $ | 22 |
Total losses included in earnings |  |  | — |  |  |  | — |
Unrealized (losses) |  |  | — |  |  |  | — |
Purchases |  |  | — |  |  |  | — |
Settlements |  |  | — |  |  |  | — |
Transfer from Level 3 to Level 2 |  |  | — |  |  |  | — |
Fair value at period end |  | $ | 22 |  |  | $ | 22 |
Income from Financial Investments Net, Included in Other, Net, Within Other Income (Expense), Net | Income (loss) from financial investments, net, included in other, net, within other income (expense), net, was as follows, in millions:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Realized gains from private equity funds |  | $ | — |  |  | $ | 2 |  |  | $ | 7 |  |  | $ | 20 |
Income from other investments, net |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | — |
Total income from financial investments |  | $ | — |  |  | $ | 2 |  |  | $ | 8 |  |  | $ | 20 |
Impairment charges — private equity funds |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (2 | )

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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