Debt and Other Financing Arrangements - Schedule of Subsequent Events (Details) - Subsequent Event - Senior Notes - Forecast ¥ in Millions	3 Months Ended
	Dec. 31, 2022 JPY (¥)
0.853% 3-Year Senior Notes, Due 10/20/2025 (yen-denominated)
Subsequent Event [Line Items]
Interest rate	0.853%
Term	3 years
Principal Value Issued	¥ 22,300
1.054% 5-Year Senior Notes, Due 10/20/2027 (yen-denominated)
Subsequent Event [Line Items]
Interest rate	1.054%
Term	5 years
Principal Value Issued	¥ 28,900
1.279% 7-Year Senior Notes, Due 10/19/2029 (yen-denominated)
Subsequent Event [Line Items]
Interest rate	1.279%
Term	7 years
Principal Value Issued	¥ 4,700
1.490% 10-Year Senior Notes, Due 10/20/2032 (yen-denominated)
Subsequent Event [Line Items]
Interest rate	1.49%
Term	10 years
Principal Value Issued	¥ 6,300
2.069% 20-Year Senior Notes, Due 10/20/2042 (yen-denominated)
Subsequent Event [Line Items]
Interest rate	2.069%
Term	20 years
Principal Value Issued	¥ 14,600
2.382% 30-Year Senior Notes, Due 10/18/2052 (yen-denominated)
Subsequent Event [Line Items]
Interest rate	2.382%
Term	30 years
Principal Value Issued	¥ 33,300