I can't speak from doing this Teamcenter, but from the NX Assembly Navigator (AKA 'ANT'), just place your cursor over some 'white space', press MB3 and select the 'Export to Spreadsheet' option.
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Digital Factory
Cypress, CA Siemens PLM: UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.