XML
26
R118.htm
IDEA: XBRL DOCUMENT
v2.4.0.8
Lines of Businesses- Additional Information (Detail)
3 Months Ended
Mar. 31, 2014
Segment
Segment Reporting [Abstract]
Number of principal businesses (segment)
2
X
- Definition
Number of Principal Businesses
+ References
No definition available.
+ Details
Name:
bk_NumberOfPrincipalBusinesses
Namespace Prefix:
bk_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
us-gaap_SegmentReportingAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration