Premises and equipment

12 Months Ended

Dec. 31, 2011

Premises and equipment

end of	2011	2010
Premises and equipment (CHF million)
Buildings and improvements	4,060	3,944
Land	872	882
Leasehold improvements	2,241	1,958
Software	4,614	3,801
Equipment	3,188	3,092
Premises and equipment	14,975	13,677
Accumulated depreciation	(7,782)	(6,952)
Total premises and equipment, net	7,193	6,725

Depreciation and impairment

in	2011	2010	2009
CHF million
Depreciation	1,078	1,115	1,019
Impairment	87	16	45

In 2011, the estimated useful lives for leasehold and building improvements in Switzerland were increased from five to ten years, based on a change in estimate. The cumulative effect of adopting this change in estimate on January 1, 2011 was a decrease in depreciation expense of CHF 64 million (CHF 56 million after tax).

Bank

Premises and equipment

end of	2011	2010
Premises and equipment (CHF million)
Buildings and improvements	3,671	3,524
Land	732	734
Leasehold improvements	2,198	1,930
Software	4,603	3,793
Equipment	3,055	2,967
Premises and equipment	14,259	12,948
Accumulated depreciation	(7,559)	(6,728)
Total premises and equipment, net	6,700	6,220

Depreciation and impairment

in	2011	2010	2009
CHF million
Depreciation	1,053	1,085	988
Impairment	84	16	45

In 2011, the estimated useful lives for leasehold and building improvements in Switzerland were increased from five to ten years, based on a change in estimate. The cumulative effect of adopting this change in estimate on January 1, 2011 was a decrease in depreciation expense of CHF 57 million (CHF 50 million after tax).