Leases Rentals and Outsourced Service Arrangements	12 Months Ended
Dec. 31, 2011
Leases Rentals And Outsourced Service Arrangements [Abstract]
Leases, rentals and outsourced service arrangements	Note 21 — Leases, Rentals and Outsourced Service Arrangements Rental expenses for operating leases, principally for office space, amounted to $115 million in 2011, $127 million in 2010 and $138 million in 2009. As of December 31, 2011, future net minimum rental payments under non-cancelable operating leases were approximately $547 million, payable as follows (in millions): $108 in 2012, $97 in 2013, $83 in 2014, $67 in 2015, $52 in 2016 and $140 thereafter. The Company also has several outsourced service arrangements with third parties, primarily for human resource and information technology support services. The initial service periods under these arrangements range from seven to eight years and their related costs are reported consistent with operating leases over the service period based on the pattern of use. The Company recorded in other operating expense $116 million in 2011, $114 million in 2010 and $115 million in 2009 for these arrangements.

- Definition

Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.

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