Consolidated Statements of Income (Unaudited) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Interest Income
Loans	$ 565	$ 568	$ 1,124	$ 1,108
Securities	138	135	281	278
Other	2	5	3	10
Total interest income	705	708	1,408	1,396
Interest Expense
Deposits	53	78	106	164
Commercial paper and other short-term borrowings	2	2	3	3
Long-term debt	36	27	67	54
Total interest expense	91	107	176	221
Net Interest Income	614	601	1,232	1,175
(Reversal of) provision for loan losses	(94)	44	(196)	214
Net interest income after (reversal of) provision for loan losses	708	557	1,428	961
Noninterest Income
Service charges on deposit accounts	56	64	113	130
Trust and investment management fees	34	35	68	66
Trading account activities	28	25	61	46
Securities gains, net	29	27	57	61
Merchant banking fees	29	22	48	36
Brokerage commissions and fees	12	10	25	19
Card processing fees, net	12	12	22	21
Other	40	49	86	75
Total noninterest income	240	244	480	454
Noninterest Expense
Salaries and employee benefits	346	319	690	599
Net occupancy and equipment	67	64	132	123
Professional and outside services	55	50	99	89
Intangible asset amortization	24	30	49	62
Regulatory assessments	19	30	40	60
(Reversal of) provision for losses on off-balance sheet commitments	(18)	1	(31)	(4)
Other	85	90	214	180
Total noninterest expense	578	584	1,193	1,109
Income before income taxes and including noncontrolling interests	370	217	715	306
Income tax expense	131	67	245	82
Net Income including Noncontrolling Interests	239	150	470	224
Deduct: Net loss from noncontrolling interests	3	4	7	7
Net Income attributable to UnionBanCal Corporation (UNBC)	$ 242	$ 154	$ 477	$ 231