Property and Equipment, Net (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Property and equipment
Land and improvements	$ 436,053	$ 410,758
Building and improvements	11,482,772	10,881,936
Furniture, fixtures, equipment and leasehold improvements	2,078,752	1,990,721
Transportation	405,740	402,904
Construction in progress	3,208,655	3,147,750
Property and equipment, Gross	17,611,972	16,834,069
Less - accumulated depreciation and amortization	(2,719,182)	(2,331,872)
Property and equipment, net	$ 14,892,790	$ 14,502,197

Carrying amount as of the balance sheet date of long-lived, depreciable assets (1) commonly used in offices and stores (examples include desks, chairs, and store fixtures), (2) used in the production process to produce goods and services and (3) used as an addition or improvement to assets held under lease arrangement.

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Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of real estate assets held for productive use and depreciable assets that are an addition or improvement to real estate held for productive use.

+ Details

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- Definition

Carrying amount as of the balance sheet date of long-lived, depreciable assets used in transportation services (examples include ferries, airplanes and automobiles).

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 5
-Subparagraph c

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 14
-Article 5

+ Details

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- Definition

Carrying amount as of the balance sheet date of long-lived, depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure, such as interior masonry, interior flooring, electrical, and plumbing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 5

+ Details

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- Definition

Carrying amount at the balance sheet date of long-lived asset under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 5

+ Details

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- Details

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- Definition

Carrying amount at the balance sheet date for long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, physical structures, machinery, vehicles, furniture, computer equipment, construction in progress, and similar items. Amount does not include depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 5

+ Details

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, and production equipment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 12
-Paragraph 5
-Subparagraph b, c

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 7

+ Details

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