Supplemental Condensed Consolidating Balance Sheets (Detail) (USD $) In Millions	Sep. 09, 2011		Dec. 31, 2010		Dec. 09, 2010	Sep. 10, 2010	Dec. 10, 2009
Condensed Financial Statements, Captions [Line Items]
Property and Equipment, net	$ 11,444		$ 10,514
HOST HOTELS & RESORTS L.P.
Condensed Financial Statements, Captions [Line Items]
Property and Equipment, net	11,444		10,514
Due from managers	34		45
Investments in affiliates	171		148
Deferred financing costs, net	44		44
Furniture, fixtures and equipment replacement fund	166		152
Other	386		353
Restricted cash	36		41
Cash and cash equivalents	524		1,113		1,113	838	1,642
Total assets	12,805		12,410
Debt	5,488		5,477
Other liabilities	398		411
Total liabilities	5,886		5,888
Limited partnership interests of third parties	115	[1]	191	[1]
Capital	6,766		6,302
Total liabilities and capital	12,767		12,381
Non-controlling interests - consolidated partnerships	38		29
Total liabilities, non-controlling interests and equity	12,805		12,410
HOST HOTELS & RESORTS L.P. | Company Parent Member
Condensed Financial Statements, Captions [Line Items]
Property and Equipment, net	693		675
Due from managers	(16)		(22)
Investments in affiliates	6,832		6,566
Deferred financing costs, net	39		38
Furniture, fixtures and equipment replacement fund	43		67
Other	521		319
Restricted cash	24		29
Cash and cash equivalents	372		733
Total assets	8,508		8,405
Debt	1,508		1,785
Other liabilities	119		127
Total liabilities	1,627		1,912
Limited partnership interests of third parties	115		191
Capital	6,766		6,302
Total liabilities and capital	8,508		8,405
Total liabilities, non-controlling interests and equity	8,508		8,405
HOST HOTELS & RESORTS L.P. | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Property and Equipment, net	5,558		5,227
Due from managers	4		1
Investments in affiliates	1,486		1,547
Rent receivable	29		29
Furniture, fixtures and equipment replacement fund	39		30
Other	139		124
Restricted cash	1		1
Cash and cash equivalents	13		30
Total assets	7,269		6,989
Debt	2,966		2,766
Other liabilities	205		166
Total liabilities	3,171		2,932
Capital	4,098		4,057
Total liabilities and capital	7,269		6,989
Total liabilities, non-controlling interests and equity	7,269		6,989
HOST HOTELS & RESORTS L.P. | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Property and Equipment, net	5,193		4,612
Due from managers	54		66
Investments in affiliates	8		22
Deferred financing costs, net	5		6
Furniture, fixtures and equipment replacement fund	84		55
Other	249		325
Restricted cash	11		11
Cash and cash equivalents	139		350
Total assets	5,743		5,447
Debt	1,209		1,178
Rent payable	29		29
Other liabilities	410		281
Total liabilities	1,648		1,488
Capital	4,057		3,930
Total liabilities and capital	5,705		5,418
Non-controlling interests - consolidated partnerships	38		29
Total liabilities, non-controlling interests and equity	5,743		5,447
HOST HOTELS & RESORTS L.P. | Consolidation, Eliminations
Condensed Financial Statements, Captions [Line Items]
Due from managers	(8)
Investments in affiliates	(8,155)		(7,987)
Rent receivable	(29)		(29)
Other	(523)		(415)
Total assets	(8,715)		(8,431)
Debt	(195)		(252)
Rent payable	(29)		(29)
Other liabilities	(336)		(163)
Total liabilities	(560)		(444)
Capital	(8,155)		(7,987)
Total liabilities and capital	(8,715)		(8,431)
Total liabilities, non-controlling interests and equity	$ (8,715)		$ (8,431)

[1] The book value recorded is equal to the greater of the redemption value or the historical cost.