receivables from customers and other ( a ) 28972 26744 2014 2014 total wholesale credit- related assets 438861 414067 899 1459 lending-related commitments ( b ) 472056 446232 103 206 total wholesale credit exposure $ 910917 $ 860299 $ 1002 $ 1665 credit portfolio management derivatives notional , net ( c ) $ ( 26703 ) $ ( 27996 ) $ 2014 $ ( 5 ) liquid securities and other cash collateral held against derivatives ( 19604 ) ( 14435 ) na na ( a ) receivables from customers and other include $ 28