Basis of Presentation and Nature of Operations (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Receivables - trade and other	$ 244	$ 992
Accounts payable	667	157
Customer advances	(132)	(230)
Statement of Cash Flows revision
Receivables - trade and other		(173)
Accounts payable		116
Customer advances		$ (57)

The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the amount of prepayments by customers for goods or services to be provided at a later date.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration