Intangibles	9 Months Ended
Sep. 30, 2014
Intangibles
Intangibles	(9)Intangibles At September 30, 2014 and December 31, 2013, intangible lease assets, comprised of lease-up intangibles, above market tenant lease intangibles and below market ground lease intangibles, were $808 million and $781 million, respectively. At September 30, 2014 and December 31, 2013, the accumulated amortization of intangible assets was $329 million and $291 million, respectively. At September 30, 2014 and December 31, 2013, intangible lease liabilities, comprised of below market lease intangibles and above market ground lease intangibles were $209 million and $207 million, respectively. At September 30, 2014 and December 31, 2013, the accumulated amortization of intangible liabilities was $121 million and $108 million, respectively.

(9)Intangibles

At September 30, 2014 and December 31, 2013, intangible lease assets, comprised of lease-up intangibles, above market tenant lease intangibles and below market ground lease intangibles, were $808 million and $781 million, respectively. At September 30, 2014 and December 31, 2013, the accumulated amortization of intangible assets was $329 million and $291 million, respectively.

At September 30, 2014 and December 31, 2013, intangible lease liabilities, comprised of below market lease intangibles and above market ground lease intangibles were $209 million and $207 million, respectively. At September 30, 2014 and December 31, 2013, the accumulated amortization of intangible liabilities was $121 million and $108 million, respectively.