Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Prepaid taxes	$ 4,260.0	$ 2,370.0
Domestic and Puerto Rican companies contribution	14.00%	33.00%	28.00%
Long-term income taxes payable, estimated timing of future cash outflows not possible	$ 3,060.0
Unrecognized tax benefits that would impact effective tax rate	1,770.0	$ 1,700.0
Accruals for the payment of interest and penalties	414.9	$ 271.5
Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	1,000.0
Operating loss carryforwards	1,350.0
Expiration By 2026
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	148.8
Expiration Between 2028 and 2042
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	60.8
Operating loss carryforwards	35.0
Designated Unusable | Internal Revenue Service (IRS)
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	55.3
Designated Unusable | Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	109.9
Designated Unusable | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	629.3
Deferred tax assets related to state net operating losses	261.9
Expiration By 2027
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	284.6
No Expiration
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 1,030.0