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Leases

12 Months Ended

Dec. 31, 2011

Rent expense recorded under all operating leases is as follows:



	Year Ended December 31,
	2011	2010	2009
	(In $ millions)
Total	173	160	148

Future minimum lease payments under non-cancelable rental and lease agreements which have initial or remaining terms in excess of one year are as follows:



	As of December 31, 2011
	Capital Leases
	(In $ millions)
2012	44
2013	43
2014	43
2015	43
2016	43
Later years	311
Sublease income	—
Minimum lease commitments	527
Less amounts representing interest	279
Present value of net minimum lease obligations	248



	As of December 31, 2011
	Operating Leases
	(In $ millions)
2012	58
2013	51
2014	44
2015	40
2016	36
Later years	106
Sublease income	(21	)
Minimum lease commitments	314

The Company expects that, in the normal course of business, leases that expire will be renewed or replaced by other leases.

- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

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