Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Contingency [Line Items]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The components of the provision for income taxes for the years ended December 31 are as follows:

(in millions)	2021		2020		2019
Current Provision:
Federal	$	3,451	$	4,098	$	2,629
State and local	481		392		319
Foreign	516		491		564
Total current provision	4,448		4,981		3,512
Deferred provision (benefit)	130		(8)		230
Total provision for income taxes	$	4,578	$	4,973	$	3,742

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The reconciliation of the tax provision at the U.S. federal statutory rate to the provision for income taxes and the effective tax rate for the years ended December 31 is as follows:

(in millions, except percentages)	2021				2020				2019
Tax provision at the U.S. federal statutory rate	$	4,685	21.0	%	$	4,356	21.0	%	$	3,776	21.0	%
State income taxes, net of federal benefit	419		1.9		315		1.5		271		1.5
Share-based awards - excess tax benefit	(100)		(0.4)		(130)		(0.6)		(132)		(0.7)
Non-deductible compensation	144		0.6		134		0.7		119		0.7
Health insurance tax	—		—		626		3.0		—		—
Foreign rate differential	(246)		(1.1)		(164)		(0.8)		(214)		(1.2)
Other, net	(324)		(1.5)		(164)		(0.8)		(78)		(0.5)
Provision for income taxes	$	4,578	20.5	%	$	4,973	24.0	%	$	3,742	20.8	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The components of deferred income tax assets and liabilities as of December 31 are as follows:

(in millions)	2021		2020
Deferred income tax assets:
Accrued expenses and allowances	$	723	$	815
U.S. federal and state net operating loss carryforwards	287		276
Share-based compensation	117		98
Nondeductible liabilities	296		252
Non-U.S. tax loss carryforwards	435		340
Lease liability	1,284		1,200
Other-domestic	228		126
Other-non-U.S.	376		454
Subtotal	3,746		3,561
Less: valuation allowances	(198)		(170)
Total deferred income tax assets	3,548		3,391
Deferred income tax liabilities:
U.S. federal and state intangible assets	(2,658)		(2,588)
Non-U.S. goodwill and intangible assets	(512)		(606)
Capitalized software	(833)		(731)
Depreciation and amortization	(349)		(346)
Prepaid expenses	(256)		(216)
Outside basis in partnerships	(565)		(342)
Lease right-of-use asset	(1,267)		(1,179)
Net unrealized gains on investments	(125)		(400)
Other-non-U.S.	(248)		(350)
Total deferred income tax liabilities	(6,813)		(6,758)
Net deferred income tax liabilities	$	(3,265)	$	(3,367)

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits as of December 31 is as follows:

(in millions)	2021		2020		2019
Gross unrecognized tax benefits, beginning of period	$	1,829	$	1,423	$	1,056
Gross increases:
Current year tax positions	538		416		512
Prior year tax positions	10		120		2
Gross decreases:
Prior year tax positions	(47)		(130)		(96)
Settlements	—		—		(46)
Statute of limitations lapses	(20)		—		(5)
Gross unrecognized tax benefits, end of period	$	2,310	$	1,829	$	1,423