| Details of Certain Consolidated Statements of Income Lines |
NOTE 19 Details of Certain Consolidated Statements of Income Lines The following is a detail of other commissions and fees for the years ended December 31: | (Millions) | | 2013 | | 2012 | | 2011 | | Foreign currency conversion revenue | | $ | 877 | | $ | 855 | | $ | 861 | | Delinquency fees | | | 667 | | | 604 | | | 567 | | Service fees | | | 375 | | | 362 | | | 355 | | Other(a) | | | 495 | | | 496 | | | 486 | | | Total other commissions and fees | | $ | 2,414 | | $ | 2,317 | | $ | 2,269 | | | | | | | | | | | | |
- Other primarily includes fee revenue from the Loyalty Partner business and fees related to Membership Rewards programs.
The following is a detail of other revenues for the years ended December 31: | (Millions) | | 2013 | | 2012 | | 2011 | | Global Network Services partner revenues | | $ | 650 | | $ | 664 | | $ | 655 | | Net gain on investment securities | | | 136 | | | 126 | | | 16 | | Other(a) | | | 1,488 | | | 1,635 | | | 1,493 | | | Total other revenues | | $ | 2,274 | | $ | 2,425 | | $ | 2,164 | | | | | | | | | | | | |
- Other includes revenues arising from insurance premiums earned from Card Member travel and other insurance programs, Travelers Cheques-related revenues, publishing revenues and other miscellaneous revenue and fees.
The following is a detail of marketing, promotion, rewards and Card Member services for the years ended December 31: | (Millions) | | 2013 | | 2012 | | 2011 | | Marketing and promotion | | $ | 3,043 | | $ | 2,890 | | $ | 2,996 | | Card Member rewards | | | 6,457 | | | 6,282 | | | 6,218 | | Card Member services | | | 767 | | | 772 | | | 716 | | | Total marketing, promotion, rewards and | | | | | | | | | | | | | Card Member services | | $ | 10,267 | | $ | 9,944 | | $ | 9,930 |
Marketing and promotion expense includes advertising costs, which are expensed in the year in which the advertising first takes place. Card Member rewards expense includes the costs of rewards programs, including Membership Rewards and co-brand arrangements. Card Member services expense includes protection plans and complimentary services provided to Card Members. The following is a detail of other, net for the years ended December 31: | (Millions) | | 2013 | | 2012 | | 2011 | | Professional services | | $ | 3,102 | | $ | 2,963 | | $ | 2,951 | | Occupancy and equipment | | | 1,904 | | | 1,823 | | | 1,685 | | Communications | | | 379 | | | 383 | | | 378 | | MasterCard and Visa settlements, | | | | | | | | | | | | net of legal fees | | | ― | | | ― | | | (562) | | Other(a) | | | 1,133 | | | 1,404 | | | 1,260 | | | Total other, net | | $ | 6,518 | | $ | 6,573 | | $ | 5,712 |
- Other expense includes general operating expenses, gains (losses) on sale of assets or businesses not classified as discontinued operations, litigation, certain internal and regulatory review-related reimbursements and insurance costs or settlements, investment impairments and certain Loyalty Partner expenses.
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