The Company's Capital Ratios (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2011	Dec. 31, 2010
Tier 1 common	$ 12,188	$ 10,737
Tier 1 capital	14,531	18,156
Total capital	18,211	21,967
Tier 1 common	9.31%	8.08%
Tier 1 capital	11.10%	13.67%
Total capital	13.91%	16.54%
Tier 1 leverage	8.90%	10.94%
Sun Trust Bank
Tier 1 capital	13,873	13,120
Total capital	$ 17,048	$ 16,424
Tier 1 capital	10.75%	10.05%
Total capital	13.21%	12.58%
Tier 1 leverage	8.74%	8.33%

The amount of total capital as defined in the regulations.

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