Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB

-Name Accounting Standards Codification

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

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Total debt and equity financial instruments including: (1) securities held-to-maturity and (2) securities available-for-sale that will be held for the long-term.

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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Fair Value of Financial Instruments #2 (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended				1 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	May 31, 2013 Senior Notes	May 31, 2013 Senior Notes August 2014 Maturity	May 31, 2013 Senior Notes November 2015 Maturity	May 31, 2013 Senior Notes 5-Year Term	May 31, 2013 Senior Notes 5-Year Term June 2018 Maturity [Member]	May 31, 2013 Senior Notes 10-Year Term	May 31, 2013 Senior Notes 10-Year Term August 2023 Maturity [Member]	May 31, 2013 Senior Notes 30-Year Term	May 31, 2013 Senior Notes 30-Year Term June 2043 Maturity [Member]	Sep. 30, 2013 Cash Flow Hedging	Dec. 31, 2012 Cash Flow Hedging
Investments in Marketable Securities [Abstract]
Marketable Securities, Noncurrent		$ 287		$ 261
Derivative Financial Instruments and Hedging Activities [Abstract]
Derivative, Notional Amount		183		164										87	110
Long-term Debt [Abstract]
Debt instrument, face amount					2,850				850		1,050		950
Debt Instrument, Maturity Date						Aug. 01, 2014	Nov. 15, 2015		Jun. 01, 2018		Aug. 01, 2023		Jun. 01, 2043
Debt instrument, stated interest rate (percent)						3.70%	1.85%	1.75%		3.25%		4.75%
Repayments of long-term debt		877	0			350	500
Redemption Premium	$ 30