Revenue and Credit Losses - Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Net revenue	$ 4,212	$ 4,076	$ 12,456	$ 11,986
Revenue as a percentage of total revenue	100.00%	100.00%	100.00%	100.00%
Transfer
Disaggregation of Revenue [Line Items]
Net revenue	$ 224	$ 212	$ 635	$ 603
Revenue as a percentage of total revenue	5.30%	5.20%	5.10%	5.00%
Landfill
Disaggregation of Revenue [Line Items]
Net revenue	$ 516	$ 453	$ 1,453	$ 1,297
Revenue as a percentage of total revenue	12.30%	11.10%	11.70%	10.80%
Environmental solutions
Disaggregation of Revenue [Line Items]
Net revenue	$ 433	$ 465	$ 1,344	$ 1,361
Revenue as a percentage of total revenue	10.30%	11.40%	10.80%	11.40%
Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 204	$ 204	$ 624	$ 598
Revenue as a percentage of total revenue	4.80%	5.00%	5.00%	5.00%
Recycling processing and commodity sales
Disaggregation of Revenue [Line Items]
Net revenue	$ 107	$ 107	$ 328	$ 311
Revenue as a percentage of total revenue	2.50%	2.60%	2.60%	2.60%
Other non-core
Disaggregation of Revenue [Line Items]
Net revenue	$ 97	$ 97	$ 296	$ 287
Revenue as a percentage of total revenue	2.30%	2.40%	2.40%	2.40%
Operating Segments \| Collection
Disaggregation of Revenue [Line Items]
Net revenue	$ 2,835	$ 2,742	$ 8,400	$ 8,127
Revenue as a percentage of total revenue	67.30%	67.30%	67.40%	67.80%
Operating Segments \| Residential
Disaggregation of Revenue [Line Items]
Net revenue	$ 754	$ 740	$ 2,249	$ 2,196
Revenue as a percentage of total revenue	17.90%	18.10%	18.00%	18.30%
Operating Segments \| Small-container
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,267	$ 1,209	$ 3,768	$ 3,599
Revenue as a percentage of total revenue	30.10%	29.70%	30.30%	30.00%
Operating Segments \| Large-container
Disaggregation of Revenue [Line Items]
Net revenue	$ 797	$ 775	$ 2,330	$ 2,278
Revenue as a percentage of total revenue	18.90%	19.00%	18.70%	19.00%
Operating Segments \| Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 17	$ 18	$ 53	$ 54
Revenue as a percentage of total revenue	0.40%	0.50%	0.40%	0.50%
Operating Segments \| Transfer
Disaggregation of Revenue [Line Items]
Net revenue	$ 472	$ 459	$ 1,376	$ 1,336
Operating Segments \| Landfill
Disaggregation of Revenue [Line Items]
Net revenue	845	768	2,421	2,234
Operating Segments \| Environmental solutions
Disaggregation of Revenue [Line Items]
Net revenue	449	480	1,393	1,408
Intersegment Eliminations \| Transfer
Disaggregation of Revenue [Line Items]
Net revenue	(248)	(247)	(741)	(733)
Intersegment Eliminations \| Landfill
Disaggregation of Revenue [Line Items]
Net revenue	(329)	(315)	(968)	(937)
Intersegment Eliminations \| Environmental solutions
Disaggregation of Revenue [Line Items]
Net revenue	$ (16)	$ (15)	$ (49)	$ (47)