Guarantees	3 Months Ended
Mar. 31, 2019
Guarantees [Abstract]
Guarantees	11. Guarantees The maximum potential undiscounted future payments and related liability resulting from guarantees and indemnifications provided by us in the ordinary course of business were $1 billion and $34 million, respectively, as of March 31, 2019, and $1 billion and $46 million, respectively, as of December 31, 2018, all of which were primarily related to our real estate and business dispositions. To date, we have not experienced any significant losses related to guarantees or indemnifications. Our recognition of these instruments is at fair value. In addition, we establish reserves when a loss is probable and the amount can be reasonably estimated.

Guarantees

3 Months Ended

Mar. 31, 2019

11. Guarantees

The maximum potential undiscounted future payments and related liability resulting from guarantees and indemnifications provided by us in the ordinary course of business were $1 billion and $34 million, respectively, as of March 31, 2019, and $1 billion and $46 million, respectively, as of December 31, 2018, all of which were primarily related to our real estate and business dispositions.

To date, we have not experienced any significant losses related to guarantees or indemnifications. Our recognition of these instruments is at fair value. In addition, we establish reserves when a loss is probable and the amount can be reasonably estimated.