Segment Reporting - Reconciliation from Operating Income to Adjusted Operating Income (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Other Significant Reconciling Item [Line Items]
Operating income (GAAP measure)	$ 3,490	$ 3,577
Amortization of intangible assets	468	587
Legal settlement accrual	484	0
Loss on assets held for sale	41	0
Acquisition-related integration costs	0	41
Adjusted operating income	4,483	$ 4,205
State of Florida Settlement
Segment Reporting, Other Significant Reconciling Item [Line Items]
Legal settlement accrual	$ 484
Legal settlement, period of payment	18 years

Adjusted Operating Income (Loss)

No definition available.

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- Definition

Legal Settlement, Period of Payment

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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