Commitments and Contingencies (Details 1) $ in Millions	Dec. 31, 2014 USD ($)
Future minimum rental commitments
Rent commitment, 2015	$ 152
Rent commitment, 2016	120
Rent commitment, 2017	109
Rent commitment, 2018	99
Rent commitment, 2019	92
Rent commitment, 2020 and beyond	162
Rent commitment, Total	734
Sublease income, 2015	(12)
Sublease income, 2016	(12)
Sublease income, 2017	(11)
Sublease income, 2018	(12)
Sublease income, 2019	(12)
Sublease income, 2020 and beyond	(5)
Sublease income, Total	(64)
Net rent, 2015	140
Net rent, 2016	108
Net rent, 2017	98
Net rent, 2018	87
Net rent, 2019	80
Net rent, 2020 and beyond	157
Net rent, Total	$ 670

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Operating Leases Future Minimum Net Payments Due.

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Operating leases future minimum net payments due in five years.

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Operating leases future minimum net payments due in four years.

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Operating leases future minimum net payments due in three years.

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Operating leases future minimum net payments due in two years.

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Operating leases future minimum net payments due thereafter.

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Operating leases future minimum sublease income due current.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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