Fair Value Measurements and Investments (Tables)

3 Months Ended

Dec. 31, 2019

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

Assets and Liabilities Measured at Fair Value on a Recurring Basis



	Fair Value Measurements Using Inputs Considered as
	Level 1				Level 2
	December 31, 2019		September 30, 2019		December 31, 2019		September 30, 2019
	(in millions)
Assets
Cash equivalents and restricted cash equivalents:
Money market funds	$	7,539	$	6,494
U.S. government-sponsored debt securities					$	350	$	150
Investment securities:
Marketable equity securities	154		126
U.S. government-sponsored debt securities					4,565		5,592
U.S. Treasury securities	902		675
Other current and non-current assets:
Derivative instruments					274		437
Total	$	8,595	$	7,295	$	5,189	$	6,179
Liabilities
Accrued compensation and benefits:
Deferred compensation liability	$	141	$	113
Accrued and other liabilities:
Derivative instruments					$	99	$	52
Total	$	141	$	113	$	99	$	52

Schedule of Non-Marketable Equity Securities

The following table summarizes the total carrying value of the Company’s non-marketable equity securities held as of December 31, 2019 including cumulative unrealized gains and losses:



	December 31, 2019
	(in millions)
Initial cost basis	$	595
Upward adjustments	119
Downward adjustments (including impairment)	(4		)
Carrying amount, end of period	$	710

Schedule of Gains and Losses on Marketable and Non-Marketable Equity Securities

Gains and losses on the Company’s equity securities are summarized below.



	Three Months Ended December 31,
	2019		2018
	(in millions)
Net gain (loss) on equity securities sold during the period	$	4	$	—
Unrealized gain (loss) on equity securities held as of the end of the period	14		(20		)
Total gain (loss) recognized in non-operating income (expense), net	$	18	$	(20	)