Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt (Schedule Of Outstanding Debt) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	May 31, 2014
Debt Instrument [Line Items]
Current portion of long-term debt	$ 61us-gaap_LongTermDebtCurrent	$ 11us-gaap_LongTermDebtCurrent
Long-term debt, current and noncurrent	3,889us-gaap_DebtAndCapitalLeaseObligations	3,387us-gaap_DebtAndCapitalLeaseObligations
Long-term debt	3,828	3,376
Senior Debt Obligations Due 2017 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	249	249
Interest rate	2.30%
Senior Debt Obligations Due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	249	249
Interest rate	2.55%
2.35% Senior Debt Obligations Due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	300	300
Interest rate	2.35%		2.35%
Senior Debt Obligations Due 2020 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	500	0
Interest rate	2.35%
Senior Debt Obligations Due 2021 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	497	497
Interest rate	4.80%
Senior Debt Obligations Due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	248	248
Interest rate	4.05%
Senior Debt Obligations Due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	599	595
Interest rate	3.50%			3.50%
3.50% Senior Debt Obligations Due 2025 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	498	498
Interest rate	3.50%		3.50%
Senior Debt Obligations Due 2033 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	297	297
Interest rate	5.875%
Mortgage Due 2035 [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	400	403
Interest rate	5.70%
Term Loan Facility - due 2016
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	50	50
Other [Member]
Debt Instrument [Line Items]
Long-term debt, current and noncurrent	$ 2	$ 1