Investments In Real Estate	6 Months Ended
Jun. 30, 2019
Real Estate Investments [Abstract]
Investments In Real Estate	NOTE 4. INVESTMENTS IN REAL ESTATE During the three months ended June 30, 2019, three hotels classified as investments in real estate were sold for gross proceeds of $16 million resulting in a gain on sales of $2 million. During the six months ended June 30, 2019, five hotels classified as investments in real estate were sold for gross proceeds of $21 million resulting in a gain on sales of $2 million. Net proceeds were used to pay down the CMBS Facility (as defined in Note 6 “Debt”). No hotels classified as investments in real estate were sold during the three months ended June 30, 2018. During the six months ended June 30, 2018, one hotel classified as an investment in real estate was sold for gross proceeds of $5 million resulting in a gain on sales of $0.5 million. Depreciation expense related to buildings and improvements, furniture, fixtures and other equipment was $46 million and $39 million for the three months ended June 30, 2019 and 2018, respectively. Depreciation expense related to buildings and improvements, furniture, fixtures and other equipment was $90 million and $76 million for the six months ended June 30, 2019 and 2018, respectively. Construction in progress primarily includes capitalized costs for ongoing projects that have not yet been put into service. We have pledged substantially all of our investments in real estate as collateral for the CMBS Facility.

Investments In Real Estate

6 Months Ended

Jun. 30, 2019

NOTE 4. INVESTMENTS IN REAL ESTATE

During the three months ended June 30, 2019, three hotels classified as investments in real estate were sold for gross proceeds of $16 million resulting in a gain on sales of $2 million. During the six months ended June 30, 2019, five hotels classified as investments in real estate were sold for gross proceeds of $21 million resulting in a gain on sales of $2 million. Net proceeds were used to pay down the CMBS Facility (as defined in Note 6 “Debt”).

No hotels classified as investments in real estate were sold during the three months ended June 30, 2018. During the six months ended June 30, 2018, one hotel classified as an investment in real estate was sold for gross proceeds of $5 million resulting in a gain on sales of $0.5 million.

Depreciation expense related to buildings and improvements, furniture, fixtures and other equipment was $46 million and $39 million for the three months ended June 30, 2019 and 2018, respectively. Depreciation expense related to buildings and improvements, furniture, fixtures and other equipment was $90 million and $76 million for the six months ended June 30, 2019 and 2018, respectively.

Construction in progress primarily includes capitalized costs for ongoing projects that have not yet been put into service.

We have pledged substantially all of our investments in real estate as collateral for the CMBS Facility.