Intangibles	6 Months Ended
Jun. 30, 2014
Intangibles
Intangibles	(8) Intangibles At June 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 $796 million and $781 million, respectively. At June 30, 2014 and December 31, 2013, the accumulated amortization of intangible assets was $318 million and $291 million, respectively. At both June 30, 2014 and December 31, 2013, intangible lease liabilities, comprised of below market lease intangibles and above market ground lease intangibles were $207 million. At June 30, 2014 and December 31, 2013, the accumulated amortization of intangible liabilities was $117 million and $108 million, respectively.

(8) Intangibles

At June 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 $796 million and $781 million, respectively. At June 30, 2014 and December 31, 2013, the accumulated amortization of intangible assets was $318 million and $291 million, respectively.

At both June 30, 2014 and December 31, 2013, intangible lease liabilities, comprised of below market lease intangibles and above market ground lease intangibles were $207 million. At June 30, 2014 and December 31, 2013, the accumulated amortization of intangible liabilities was $117 million and $108 million, respectively.