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Debt And Financing Arrangements (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  | 1 Months Ended | 6 Months Ended |  |  | 1 Months Ended | 3 Months Ended |  |  | 1 Months Ended | 6 Months Ended |  | 6 Months Ended | 1 Months Ended | 6 Months Ended |  |  |  | 6 Months Ended |  |  | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended |  |  |  |  | 1 Months Ended | 6 Months Ended |  | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |
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Jun. 30, 2011 | Jun. 30, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010 | Oct. 31, 2012 | Sep. 26, 2011 | Mar. 31, 2011 | Feb. 28, 2011 Floating rate notes due in two thousand twelve [Member] | Dec. 31, 2012 Floating rate notes due in two thousand twelve [Member] | Jun. 30, 2011 Floating rate notes due in two thousand twelve [Member] | Feb. 11, 2011 Floating rate notes due in two thousand twelve [Member] | Mar. 31, 2011 Debentures four point seven percent due in two thousand forty one [Member] | Mar. 31, 2011 Debentures four point seven percent due in two thousand forty one [Member] | Mar. 30, 2011 Debentures four point seven percent due in two thousand forty one [Member] | Jun. 30, 2008 Debentures four point seven percent due in two thousand forty one [Member] | Mar. 31, 2011 Debentures four point four seven nine percent due in two thousand twenty one [Member] | Dec. 31, 2012 Debentures four point four seven nine percent due in two thousand twenty one [Member] | Mar. 30, 2011 Debentures four point four seven nine percent due in two thousand twenty one [Member] | Dec. 31, 2012 Debentures five point four five percent due in two thousand eighteen [Member] | Mar. 31, 2011 Debentures five point seven six five percent due in two thousand forty one [Member] | Dec. 31, 2012 Debentures five point seven six five percent due in two thousand forty one [Member] | Oct. 31, 2012 Debentures five point seven six five percent due in two thousand forty one [Member] | Jun. 30, 2012 Debentures five point seven six five percent due in two thousand forty one [Member] | Mar. 30, 2011 Debentures five point seven six five percent due in two thousand forty one [Member] | Dec. 31, 2012 Debentures five point three seven five percent due in two thousand thirty five [Member} | Dec. 31, 2012 Debentures five point nine three five percent due in two thousand thirty two [Member] | Oct. 31, 2012 Debentures five point nine three five percent due in two thousand thirty two [Member] | Jun. 30, 2012 Debentures five point nine three five percent due in two thousand thirty two [Member] | Oct. 31, 2012 Debentures four point zero one six percent due in two thousand forty three [Member] | Dec. 31, 2012 Debentures four point zero one six percent due in two thousand forty three [Member] | Feb. 28, 2007 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Dec. 31, 2012 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Dec. 31, 2011 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Jun. 30, 2012 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Jun. 30, 2011 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Jun. 30, 2010 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Jun. 30, 2007 Convertible senior notes point eight seven five percent due two thousand fourteen [Member] | Dec. 31, 2012 Debentures eight point three seven five percent due in two thousand seventeen [ Member] | Dec. 31, 2012 Debentures seven point one two five percent due in two thousand thirteen [Member] | Dec. 31, 2012 Debentures seven point five percent due in two thousand twenty seven [Member] | Oct. 31, 2012 Debentures seven point five percent due in two thousand twenty seven [Member] | Jun. 30, 2012 Debentures seven point five percent due in two thousand twenty seven [Member] | Sep. 26, 2011 Debentures seven point five percent due in two thousand twenty seven [Member] | Jun. 30, 2011 Debentures seven point five percent due in two thousand twenty seven [Member] | Sep. 30, 2011 Debentures four point five three five percent due in two thousand forty two [Member] | Dec. 31, 2012 Debentures four point five three five percent due in two thousand forty two [Member] | Sep. 26, 2011 Debentures four point five three five percent due in two thousand forty two [Member] | Dec. 31, 2012 Debentures seven percent due in two thousand thirty one [Member] | Oct. 31, 2012 Debentures seven percent due in two thousand thirty one [Member] | Jun. 30, 2012 Debentures seven percent due in two thousand thirty one [Member] | Sep. 26, 2011 Debentures seven percent due in two thousand thirty one [Member] | Jun. 30, 2011 Debentures seven percent due in two thousand thirty one [Member] | Dec. 31, 2012 Debentures six point six two five percent due in two thousand twenty nine [Member] | Oct. 31, 2012 Debentures six point six two five percent due in two thousand twenty nine [Member] | Jun. 30, 2012 Debentures six point six two five percent due in two thousand twenty nine [Member] | Sep. 26, 2011 Debentures six point six two five percent due in two thousand twenty nine [Member] | Jun. 30, 2011 Debentures six point six two five percent due in two thousand twenty nine [Member] | Dec. 31, 2012 Debentures six point nine five due in two thousand ninety seven [Member] | Oct. 31, 2012 Debentures six point nine five due in two thousand ninety seven [Member] | Jun. 30, 2012 Debentures six point nine five due in two thousand ninety seven [Member] | Sep. 26, 2011 Debentures six point nine five due in two thousand ninety seven [Member] | Jun. 30, 2011 Debentures six point nine five due in two thousand ninety seven [Member] | Dec. 31, 2012 Debentures six point four five percent due in two thousand thirty eight [Member] | Oct. 31, 2012 Debentures six point four five percent due in two thousand thirty eight [Member] | Jun. 30, 2012 Debentures six point four five percent due in two thousand thirty eight [Member] | Sep. 26, 2011 Debentures six point four five percent due in two thousand thirty eight [Member] | Jun. 30, 2011 Debentures six point four five percent due in two thousand thirty eight [Member] | Dec. 31, 2012 Debentures six point seven five percent due in two thousand twenty seven [Member] | Oct. 31, 2012 Debentures six point seven five percent due in two thousand twenty seven [Member] | Jun. 30, 2012 Debentures six point seven five percent due in two thousand twenty seven [Member] | Sep. 26, 2011 Debentures six point seven five percent due in two thousand twenty seven [Member] | Jun. 30, 2011 Debentures six point seven five percent due in two thousand twenty seven [Member] | Dec. 31, 2012 Debentures eight point one two five percent due in two thousand twelve [Member] | Dec. 31, 2012 Lines of credit [Member] | Jun. 30, 2012 Lines of credit [Member] | Jun. 30, 2011 Lines of credit [Member] | Dec. 31, 2012 Commercial Paper [Member]
Debt And Financing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remarketed debt face amount underlying the units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 750,000,000 |  |  |  |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate for debt remarketed into two tranches (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches debt was remarketed into |  |  |  |  |  |  |  |  |  |  |  |  |  |  | two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  |  | 1,750,000,000 |  |  |  |  |  | 1,750,000,000 |  | 1,400,000,000 | 1,500,000,000 |  |  |  |  | 1,750,000,000 |  | 750,000,000 |  | 700,000,000 |  | 596,000,000 |  | 1,000,000,000 |  | 600,000,000 | 420,000,000 |  | 500,000,000 | 570,000,000 | 570,000,000 |  | 1,150,000,000 |  |  |  |  |  | 295,000,000 | 243,000,000 | 187,000,000 |  | 222,000,000 |  | 282,000,000 |  | 528,000,000 | 528,000,000 | 185,000,000 |  | 194,000,000 |  | 246,000,000 | 182,000,000 |  | 197,000,000 |  | 298,000,000 | 172,000,000 |  | 176,000,000 |  | 250,000,000 | 154,000,000 |  | 158,000,000 |  | 215,000,000 | 124,000,000 |  | 141,000,000 |  | 200,000,000 | 103,000,000 |  |  |  |
Interest rate stated percentage |  |  |  | 4.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.479% | 4.479% | 5.45% |  | 5.765% | 5.765% |  | 5.765% | 5.375% | 5.935% | 5.935% |  | 4.016% | 4.016% | 0.875% | 0.875% |  |  |  |  |  | 8.375% | 7.125% | 7.50% | 7.50% |  | 7.50% |  |  | 4.535% | 4.535% | 7.00% | 7.00% |  | 7.00% |  | 6.625% | 6.625% |  | 6.625% |  | 6.95% | 6.95% |  | 6.95% |  | 6.45% | 6.45% |  | 6.45% |  | 6.75% | 6.75% |  | 6.75% |  | 8.125% |  |  |  |
Debt instrument, maturity year |  |  |  |  |  |  |  |  |  |  |  | 2012 |  |  |  |  |  |  | 2021 | 2021 |  | 2018 | 2041 | 2041 |  |  |  | 2035 | 2032 |  |  | 2043 | 2043 | 2014 | 2014 |  |  |  |  |  | 2017 | 2013 | 2027 |  |  |  |  |  | 2042 |  | 2031 |  |  |  |  | 2029 |  |  |  |  | 2097 |  |  |  |  | 2038 |  |  |  |  | 2027 |  |  |  |  | 2012 |  |  |  |
Proceeds from long-term debt borrowings |  |  | 106,000,000 | 91,000,000 | 97,000,000 | 1,564,000,000 | 27,000,000 |  |  |  | 1,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt face amount exchanged for new debentures |  |  |  |  |  |  |  | 568,000,000 | 404,000,000 |  |  |  |  |  |  |  | 1,750,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt premium |  |  | 197,000,000 | 32,000,000 | 44,000,000 | 21,000,000 | 71,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 196,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Charges from early extinguishment of debt |  | 15,000,000 | 5,000,000 | 12,000,000 | 12,000,000 | 15,000,000 | 75,000,000 |  |  |  |  |  |  |  |  | 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued related to equity unit conversion (in shares) | 44 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash received for shares issued related to equity unit conversion | 1,750,000,000 |  |  |  |  | 1,750,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, maturity date |  |  |  |  |  |  |  |  |  |  | Aug. 13, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jan. 15, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, floating interest rate |  |  |  |  |  |  |  |  |  |  | three-month LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on floating interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.16% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt initial conversion units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22.8423 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of debt used for conversion ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt conversion price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 43.78 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum number of days within a specified consecutive trading day period in which the closing price of the entity's common stock must exceed the conversion price by a specified percentage rate for the notes to be redeemable (in days) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of consecutive trading days during which the closing price of the entity's common stock must exceed the conversion price by a specified rate for a minimum amount of days in order for the notes to be redeemable (in days) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the closing sales price of the entity's common stock that the conversion price must exceed in order for the notes to be convertible (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 140.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount of cash that holder would receive upon conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of consecutive business days immediately after any specified consecutive trading day period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of consecutive trading days immediately prior to specified number of consecutive business days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage rate of the average product of the closing price of the Company's common stock and the average conversion rate of the debt instrument that the average trading price must be equal to or less than in order for the debt instruments to be convertible. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of principal amount plus accrued and unpaid interest at which holders may require the entity to repurchase the debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from notes recorded as long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 853,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from notes recorded as equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 297,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount amortization expense included in interest expense related to the notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,000,000 | 22,000,000 | 45,000,000 | 43,000,000 | 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased call options with issuance of notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of warrants (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Excercise price of warrants (per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 62.56 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price of warrants (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 62.56 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 170,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net cost of purchased call options and warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Excess of fair value over carrying value of long-term debt |  |  | 1,400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of long-term debt due 2013 |  |  | 268,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of long-term debt due 2014 |  |  | 1,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of long-term debt due 2015 |  |  | 19,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of long-term debt due 2016 |  |  | 13,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of long-term debt due 2017 |  |  | 303,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lines of credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,500,000,000 |  |  | 6,000,000,000
Unused lines of credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,700,000,000 |  |  |
Weighted average interest rate on short term borrowings (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.70% | 0.78% | 0.65% |
Borrowing under commercial paper borrowing facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000,000
Outstanding standby letters of credit and surety bonds | 729,000,000 | 729,000,000 | 911,000,000 |  | 644,000,000 | 729,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount provided under accounts receivable securitization facility excluded in lines of credit |  |  | 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount utilized from the securitization facility |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Represents the charge against earnings during the perod for fees on early exchange of debt and (gain)/loss on exchange of debt. + References No definition available. + Details
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- Definition The excercise price of each class of warranrs or rights outstanding, per share. + References No definition available. + Details
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- Definition The conersion price of each class of warrants or rights outstanding + References No definition available. + Details
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- Details
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- Definition Debt face amount exchanged for new debentures. + References No definition available. + Details
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- Definition This element represents the maximum amount of cash to be delivered to unit holder upon conversion. + References No definition available. + Details
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- Definition Debt Instrument Conversion Obligation Average Trading Price As Percentage Of Average Conversion Value + References No definition available. + Details
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- Definition Represents the percentage of the closing sales price of the entity's common stock for a minimum amount of days within a specified amount of consecutive trading day period that the closing sales price of the entity's common stock must exceed the conversion price by a specified percentage rate in order for the debt instruments to be convertible. + References No definition available. + Details
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- Definition Represents the minimum number of trading days within a specified period of consecutive trading days, in which the closing price of the entity's common stock must exceed the applicable conversion price by a specified percentage rate in order for the debt instruments to be convertible. + References No definition available. + Details
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- Definition Represents the number of consecutive business days immediately after any specified consecutive trading day period. + References No definition available. + Details
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- Definition Represents the number of consecutive trading days during which the closing price of the entity's common stock must exceed the applicable conversion price by a specified rate for a minimum amount of days in order for the debt instruments to be convertible. + References No definition available. + Details
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- Definition Debt Instrument Conversion Obligation Period Of Consecutive Trading Days + References No definition available. + Details
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- Definition The base principal amount of debt on which the conversion ratio is calculated. + References No definition available. + Details
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- Definition Ratio applied to the conversion of debt instruments into equity with equity shares divided by debt principal amount. + References No definition available. + Details
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- Definition Debt instrument, maturity year + References No definition available. + Details
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- Definition Represents the percentage of principal amount plus accrued but unpaid interest at which holders are entitled to require the company to repurchase all or a portion of the debt instruments. + References No definition available. + Details
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- Definition The stated principal amount of the remarketed debt. + References No definition available. + Details
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- Definition Interest rate stated for the debt remarketed into two tranches. + References No definition available. + Details
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- Definition The premium paid to debt holders and other costs paid to third parties in connection with the debt repurchase. + References No definition available. + Details
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- Definition The amount by which the fair value of the entity's long-term debt exceeds the carrying value. + References No definition available. + Details
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- Definition The decrease in the stockholder's equity due to the net effect of purchased call options and warrant transactions. + References No definition available. + Details
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- Definition Represents the number of tranches, in which the entity initiated a remarketing of the debentures underlying the equity units. + References No definition available. + Details
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- Definition This element represents payments made for purchase of call options related to issuance of convertible notes. + References No definition available. + Details
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- Definition The amount of funding committed by third partes utilized to facilitate a transfer of accounts receivable in which the transferor continues to have involvement. + References No definition available. + Details
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- Definition Amount of standby letters of credit and surety bonds outstanding. + References No definition available. + Details
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + 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=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition Cash Flows between a transferor and a transferee attributable to newly transferred assets related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph h -Clause 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph B11 -Subparagraph a -Clause 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 2 -Article 4 + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number APB14-1 -Paragraph 32 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Interest rate stated in the contractual 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 + Details
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