v3.26.1
Equity of Host Inc. and Capital of Host L.P. - Summary of Components of Capital (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (Decrease) in Partners' Capital [Roll Forward]        
Net income $ 237 $ 221 $ 731 $ 469
Net income 238 221 732 469
Other comprehensive income (1) 5 2 9
Distributions to non-controlling interests   0    
Repurchase of common OP units   (105) (75) (205)
HOST HOTELS & RESORTS L.P.        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning Balance 6,830 6,653 6,561 6,612
Net income 240 225 741 476
Net income 238 221 732 469
Changes in ownership and other (48) (1) (56) 31
Other comprehensive income (1) 5 2 9
Issuance of common OP units to Host Inc. for comprehensive stock plans, net 8 6 1 2
Distributions declared on common OP units (635) (138) (773) (277)
Repurchase of common OP units   (105) (75) (205)
Ending Balance 6,392 6,641 6,392 6,641
HOST HOTELS & RESORTS L.P. | Accumulated Other Comprehensive Loss        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning Balance (65) (79) (68) (83)
Other comprehensive income (1) 5 2 9
Ending Balance (66) (74) (66) (74)
HOST HOTELS & RESORTS L.P. | Non-controlling Interests        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning Balance 3 3 3 3
Net income 1   1  
Ending Balance 4 3 4 3
HOST HOTELS & RESORTS L.P. | Limited partnership interests of third parties        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning Balance 184 133 171 165
Net income 3 4 10 7
Changes in ownership and other 48 1 56 (32)
Distributions declared on common OP units (9) (2) (11) (4)
Ending Balance 226 136 226 136
HOST HOTELS & RESORTS L.P. | General Partner        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning Balance 1 1 1 1
Ending Balance 1 1 1 1
HOST HOTELS & RESORTS L.P. | Limited Partner        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning Balance 6,891 6,728 6,625 6,691
Net income 237 221 731 469
Changes in ownership and other (48) (1) (56) 31
Issuance of common OP units to Host Inc. for comprehensive stock plans, net 8 6 1 2
Distributions declared on common OP units (635) (138) (773) (277)
Repurchase of common OP units   (105) (75) (205)
Ending Balance $ 6,453 $ 6,711 $ 6,453 $ 6,711