Guarantees	12 Months Ended
Dec. 31, 2017
Disclosure Text Block Abstract
Guarantees	NOTE 16 Guarantees As of December 31, 2017, the maximum potential undiscounted future payments and related liability resulting from guarantees and indemnifications provided by the Company in the ordinary course of business were $1 billion and $52 million, respectively, and related primarily to the Company’s real estate and business dispositions. As of December 31, 2016, the maximum potential undiscounted future payments and related liability were $48 billion and $86 million, respectively. Amounts related to the Company’s Card Member protection plans were included as of December 31, 2016, in addition to its real estate and business dispositions. To date, the Company has not experienced any significant losses related to guarantees or indemnifications. The Company’s recognition of these instruments is at fair value. In addition, the Company establishes reserves when a loss is probable and the amount can be reasonably estimated.

Guarantees

12 Months Ended

Dec. 31, 2017

NOTE 16

Guarantees

As of December 31, 2017, the maximum potential undiscounted future payments and related liability resulting from guarantees and indemnifications provided by the Company in the ordinary course of business were $1 billion and $52 million, respectively, and related primarily to the Company’s real estate and business dispositions. As of December 31, 2016, the maximum potential undiscounted future payments and related liability were $48 billion and $86 million, respectively. Amounts related to the Company’s Card Member protection plans were included as of December 31, 2016, in addition to its real estate and business dispositions.

To date, the Company has not experienced any significant losses related to guarantees or indemnifications. The Company’s recognition of these instruments is at fair value. In addition, the Company establishes reserves when a loss is probable and the amount can be reasonably estimated.