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Commitments

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

We are committed under various operating lease agreements primarily related to office space and equipment. Generally, these leases include renewal provisions and rental payments, which may be adjusted for taxes, insurance and maintenance related to the property. Future minimum rental commitments under noncancellable operating leases are as follows (dollars in millions):



2015	$	269
2016	275
2017	154
2018	121
2019	76
Thereafter	233
	$	1,128

Total rent expense incurred under operating leases was approximately $536 million, $581 million and $458 million for the years ended December 31, 2014, 2013 and 2012, respectively. The future rental commitment table above does not include leases that are short-term in nature or can be cancelled with notice of less than three months.

- Definition

The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights.

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