Income Taxes Tax Credit Carryforwards (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Tax Credit Carryforward [Line Items]
Tax credit carryforward	$ 403,000,000	$ 344,000,000
Undistributed foreign earnings	14,000,000,000
Tax savings	540,000,000	439,000,000
Increase in diluted earnings per share, tax benefits	$ 0.41	$ 0.33
Federal Tax Credit Carryforward [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward	2,000,000
State Tax Credit Carryforward [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward	$ 44,000,000

The amount as of the balance sheet date of undistributed earnings of subsidiaries and other recognized entities in countries outside the country of domicile which would increase future taxable income when such earnings are distributed into the country of domicile.

No definition available.

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- Definition

The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 11.C)

-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 11

-Section C

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- Definition

Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

+ References

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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Carryforwards

-URI http://asc.fasb.org/extlink&oid=6506874

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