Short-Term Borrowings and Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Carrying Value	$ 56,756	$ 44,632
Commercial Paper [Member]
Debt Instrument [Line Items]
Commercial Paper	800	0
2.875% Notes Due March 2022 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,100
Debt Instrument, Interest Rate, Stated Percentage	2.875%
Unsecured Debt, Current	$ 0	1,097
3.350% Notes Due July 2022 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.35%
Unsecured Debt, Current	$ 0	999
2.375% notes due October 2022 [Member]
Debt Instrument [Line Items]
Par Value	$ 900
Debt Instrument, Interest Rate, Stated Percentage	2.375%
Unsecured Debt, Current	$ 0	899
0.000% Notes Due November 2022 [Member]
Debt Instrument [Line Items]
Par Value	$ 15
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Unsecured Debt, Current	$ 0	14
2.750% Notes Due February 2023 [Member]
Debt Instrument [Line Items]
Par Value	$ 625
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Unsecured Debt, Current	$ 622
Unsecured Long-term Debt, Noncurrent		632
2.875% Notes Due March 2023 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	2.875%
Unsecured Debt, Current	$ 746
Unsecured Long-term Debt, Noncurrent		768
3.500% notes due June 2023 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	3.50%
Unsecured Debt, Current	$ 750
Unsecured Long-term Debt, Noncurrent		749
3.500% notes due February 2024 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	3.50%
Unsecured Long-term Debt, Noncurrent	$ 749	748
0.550% notes due May 2024 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	0.55%
Unsecured Long-term Debt, Noncurrent	$ 998	996
2.375% notes due August 2024 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	2.375%
Unsecured Long-term Debt, Noncurrent	$ 749	748
5.000% notes due October 2024 [Member]
Debt Instrument [Line Items]
Par Value	$ 500
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Unsecured Long-term Debt, Noncurrent	$ 499	0
3.750% Notes Due July 2025 [Member]
Debt Instrument [Line Items]
Par Value	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	3.75%
Unsecured Long-term Debt, Noncurrent	$ 1,995	1,994
5.150% notes due October 2025 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	5.15%
Unsecured Long-term Debt, Noncurrent	$ 747	0
3.700% notes due December 2025 [Member]
Debt Instrument [Line Items]
Par Value	$ 300
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Unsecured Long-term Debt, Noncurrent	$ 299	299
1.250% notes due January 2026 [Member]
Debt Instrument [Line Items]
Par Value	$ 500
Debt Instrument, Interest Rate, Stated Percentage	1.25%
Unsecured Long-term Debt, Noncurrent	$ 498	497
3.100% notes due March 2026 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.10%
Unsecured Long-term Debt, Noncurrent	$ 998	997
1.150% notes due May 2026 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	1.15%
Unsecured Long-term Debt, Noncurrent	$ 893	972
3.450% notes due January 2027 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	3.45%
Unsecured Long-term Debt, Noncurrent	$ 748	747
3.375% notes due April 2027 [Member]
Debt Instrument [Line Items]
Par Value	$ 625
Debt Instrument, Interest Rate, Stated Percentage	3.375%
Unsecured Long-term Debt, Noncurrent	$ 622	621
3.700% notes due May 2027 [Member]
Debt Instrument [Line Items]
Par Value	$ 600
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Unsecured Long-term Debt, Noncurrent	$ 597	0
2.950% notes due October 2027 [Member]
Debt Instrument [Line Items]
Par Value	$ 950
Debt Instrument, Interest Rate, Stated Percentage	2.95%
Unsecured Long-term Debt, Noncurrent	$ 943	942
5.250% notes due February 2028 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	5.25%
Unsecured Long-term Debt, Noncurrent	$ 1,008	0
3.850% notes due June 2028 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,150
Debt Instrument, Interest Rate, Stated Percentage	3.85%
Unsecured Long-term Debt, Noncurrent	$ 1,145	1,144
3.875% notes due December 2028 [Member]
Debt Instrument [Line Items]
Par Value	$ 850
Debt Instrument, Interest Rate, Stated Percentage	3.875%
Unsecured Long-term Debt, Noncurrent	$ 845	844
4.000% notes due May 2029 [Member]
Debt Instrument [Line Items]
Par Value	$ 900
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Unsecured Long-term Debt, Noncurrent	$ 849	0
2.875% notes due August 2029 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	2.875%
Unsecured Long-term Debt, Noncurrent	$ 886	1,023
5.300% notes due February 2030 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	5.30%
Unsecured Long-term Debt, Noncurrent	$ 1,269	0
2.000% notes due May 2030 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	2.00%
Unsecured Long-term Debt, Noncurrent	$ 1,237	1,235
2.300% notes due May 2031 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,500
Debt Instrument, Interest Rate, Stated Percentage	2.30%
Unsecured Long-term Debt, Noncurrent	$ 1,256	1,482
4.200% notes due May 2032 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,500
Debt Instrument, Interest Rate, Stated Percentage	4.20%
Unsecured Long-term Debt, Noncurrent	$ 1,393	0
5.350% notes due February 2033 [Member]
Debt Instrument [Line Items]
Par Value	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	5.35%
Unsecured Long-term Debt, Noncurrent	$ 2,037	0
4.625% notes Due July 2035 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	4.625%
Unsecured Long-term Debt, Noncurrent	$ 993	993
5.800% notes Due March 2036 [Member]
Debt Instrument [Line Items]
Par Value	$ 850
Debt Instrument, Interest Rate, Stated Percentage	5.80%
Unsecured Long-term Debt, Noncurrent	$ 840	839
6.500% notes Due June 2037 [Member]
Debt Instrument [Line Items]
Par Value	$ 500
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Unsecured Long-term Debt, Noncurrent	$ 493	492
6.625% notes due November 2037 [Member]
Debt Instrument [Line Items]
Par Value	$ 650
Debt Instrument, Interest Rate, Stated Percentage	6.625%
Unsecured Long-term Debt, Noncurrent	$ 642	642
6.875% notes Due Februray 2038 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,100
Debt Instrument, Interest Rate, Stated Percentage	6.875%
Unsecured Long-term Debt, Noncurrent	$ 1,079	1,078
3.500% notes due August 2039 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	3.50%
Unsecured Long-term Debt, Noncurrent	$ 1,242	1,242
2.750% notes due May 2040 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Unsecured Long-term Debt, Noncurrent	$ 967	966
5.700% notes Due October 2040 [Member]
Debt Instrument [Line Items]
Par Value	$ 300
Debt Instrument, Interest Rate, Stated Percentage	5.70%
Unsecured Long-term Debt, Noncurrent	$ 296	296
5.950% notes Due Februrary 2041 [Member]
Debt Instrument [Line Items]
Par Value	$ 350
Debt Instrument, Interest Rate, Stated Percentage	5.95%
Unsecured Long-term Debt, Noncurrent	$ 346	346
3.050% notes due May 2041 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,500
Debt Instrument, Interest Rate, Stated Percentage	3.05%
Unsecured Long-term Debt, Noncurrent	$ 1,483	1,483
4.625% notes Due November 2041 [Member]
Debt Instrument [Line Items]
Par Value	$ 600
Debt Instrument, Interest Rate, Stated Percentage	4.625%
Unsecured Long-term Debt, Noncurrent	$ 590	589
4.375% notes Due March 2042 [Member]
Debt Instrument [Line Items]
Par Value	$ 502
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Unsecured Long-term Debt, Noncurrent	$ 486	485
3.950% notes Due October 2042 [Member]
Debt Instrument [Line Items]
Par Value	$ 625
Debt Instrument, Interest Rate, Stated Percentage	3.95%
Unsecured Long-term Debt, Noncurrent	$ 609	608
4.250% notes Due March 2043 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Unsecured Long-term Debt, Noncurrent	$ 736	736
4.750% notes Due July 2045 [Member]
Debt Instrument [Line Items]
Par Value	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	4.75%
Unsecured Long-term Debt, Noncurrent	$ 1,975	1,974
4.200% notes due January 2047 [Member]
Debt Instrument [Line Items]
Par Value	$ 750
Debt Instrument, Interest Rate, Stated Percentage	4.20%
Unsecured Long-term Debt, Noncurrent	$ 739	739
4.250% notes due April 2047 [Member]
Debt Instrument [Line Items]
Par Value	$ 725
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Unsecured Long-term Debt, Noncurrent	$ 718	718
3.750% notes due October 2047 [Member]
Debt Instrument [Line Items]
Par Value	$ 950
Debt Instrument, Interest Rate, Stated Percentage	3.75%
Unsecured Long-term Debt, Noncurrent	$ 935	934
4.250% notes due June 2048 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,350
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Unsecured Long-term Debt, Noncurrent	$ 1,331	1,330
4.450% notes due December 2048 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,100
Debt Instrument, Interest Rate, Stated Percentage	4.45%
Unsecured Long-term Debt, Noncurrent	$ 1,087	1,087
3.700% notes due August 2049 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Unsecured Long-term Debt, Noncurrent	$ 1,236	1,236
2.900% notes due May 2050 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	2.90%
Unsecured Long-term Debt, Noncurrent	$ 1,210	1,209
3.250% notes due May 2051 [Member]
Debt Instrument [Line Items]
Par Value	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Unsecured Long-term Debt, Noncurrent	$ 1,971	1,970
4.750% notes due May 2052 [Member]
Debt Instrument [Line Items]
Par Value	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	4.75%
Unsecured Long-term Debt, Noncurrent	$ 1,965	0
5.875% notes due February 2053 [Member]
Debt Instrument [Line Items]
Par Value	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	5.875%
Unsecured Long-term Debt, Noncurrent	$ 1,968	0
3.875% notes due August 2059 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	3.875%
Unsecured Long-term Debt, Noncurrent	$ 1,228	1,228
3.125% notes due May 2060 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.125%
Unsecured Long-term Debt, Noncurrent	$ 966	965
4.950% notes due May 2062 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	4.95%
Unsecured Long-term Debt, Noncurrent	$ 981	0
6.050% notes due February 2063 [Member]
Debt Instrument [Line Items]
Par Value	$ 1,500
Debt Instrument, Interest Rate, Stated Percentage	6.05%
Unsecured Long-term Debt, Noncurrent	$ 1,466	$ 0

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Face (par) amount of debt instrument at time of issuance.

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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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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

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