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Leases and Commitments (Tables)

12 Months Ended

Dec. 31, 2011

Future Minimum Obligations under Operating Leases



	Year Ending December 31
	(Millions of dollars)
2012	$	167
2013	136
2014	114
2015	83
2016	54
Thereafter	128
Future minimum obligations	$	682

- 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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